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Finding the Fourth Proportional to 63,997.64, 96,030.14 and 45,397.64

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Solution

The fourth proportional to 63,997.64, 96,030.14 and 45,397.64 is: 68,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,997.64 : 96,030.14 = 45,397.64 : x
  2. Step 2: Convert to fraction form
    63,997.64/96,030.14 = 45,397.64/x
  3. Step 3: Cross multiply
    63,997.64x = 96,030.14 × 45,397.64
  4. Step 4: Simplify right side
    63,997.64x = 4,359,541,724.87
  5. Step 5: Solve for x
    x = 4,359,541,724.87/63,997.64
  6. Step 6: Final answer
    x = 68,120.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.