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Finding the Fourth Proportional to 101,654.55, 140,287.74 and 56,332.43

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Solution

The fourth proportional to 101,654.55, 140,287.74 and 56,332.43 is: 77,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,654.55 : 140,287.74 = 56,332.43 : x
  2. Step 2: Convert to fraction form
    101,654.55/140,287.74 = 56,332.43/x
  3. Step 3: Cross multiply
    101,654.55x = 140,287.74 × 56,332.43
  4. Step 4: Simplify right side
    101,654.55x = 7,902,748,591.97
  5. Step 5: Solve for x
    x = 7,902,748,591.97/101,654.55
  6. Step 6: Final answer
    x = 77,741.22

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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.