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Finding the Fourth Proportional to 93,773.80, 129,422.91 and 53,500.70

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Solution

The fourth proportional to 93,773.80, 129,422.91 and 53,500.70 is: 73,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,773.80 : 129,422.91 = 53,500.70 : x
  2. Step 2: Convert to fraction form
    93,773.80/129,422.91 = 53,500.70/x
  3. Step 3: Cross multiply
    93,773.80x = 129,422.91 × 53,500.70
  4. Step 4: Simplify right side
    93,773.80x = 6,924,216,805.22
  5. Step 5: Solve for x
    x = 6,924,216,805.22/93,773.80
  6. Step 6: Final answer
    x = 73,839.57

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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.