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Finding the Fourth Proportional to 99,164.76, 136,801.56 and 58,855.64

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Solution

The fourth proportional to 99,164.76, 136,801.56 and 58,855.64 is: 81,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164.76 : 136,801.56 = 58,855.64 : x
  2. Step 2: Convert to fraction form
    99,164.76/136,801.56 = 58,855.64/x
  3. Step 3: Cross multiply
    99,164.76x = 136,801.56 × 58,855.64
  4. Step 4: Simplify right side
    99,164.76x = 8,051,543,366.80
  5. Step 5: Solve for x
    x = 8,051,543,366.80/99,164.76
  6. Step 6: Final answer
    x = 81,193.60

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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.