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Finding the Fourth Proportional to 94,118.76, 129,846.84 and 53,810.88

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Solution

The fourth proportional to 94,118.76, 129,846.84 and 53,810.88 is: 74,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,118.76 : 129,846.84 = 53,810.88 : x
  2. Step 2: Convert to fraction form
    94,118.76/129,846.84 = 53,810.88/x
  3. Step 3: Cross multiply
    94,118.76x = 129,846.84 × 53,810.88
  4. Step 4: Simplify right side
    94,118.76x = 6,987,172,725.62
  5. Step 5: Solve for x
    x = 6,987,172,725.62/94,118.76
  6. Step 6: Final answer
    x = 74,237.83

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.