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Finding the Fourth Proportional to 92,065.52, 127,031.37 and 53,817.68

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Solution

The fourth proportional to 92,065.52, 127,031.37 and 53,817.68 is: 74,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,065.52 : 127,031.37 = 53,817.68 : x
  2. Step 2: Convert to fraction form
    92,065.52/127,031.37 = 53,817.68/x
  3. Step 3: Cross multiply
    92,065.52x = 127,031.37 × 53,817.68
  4. Step 4: Simplify right side
    92,065.52x = 6,836,533,620.62
  5. Step 5: Solve for x
    x = 6,836,533,620.62/92,065.52
  6. Step 6: Final answer
    x = 74,257.26

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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.