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Finding the Fourth Proportional to 63,979.74, 96,002.01 and 43,159.50

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Solution

The fourth proportional to 63,979.74, 96,002.01 and 43,159.50 is: 64,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.74 : 96,002.01 = 43,159.50 : x
  2. Step 2: Convert to fraction form
    63,979.74/96,002.01 = 43,159.50/x
  3. Step 3: Cross multiply
    63,979.74x = 96,002.01 × 43,159.50
  4. Step 4: Simplify right side
    63,979.74x = 4,143,398,750.60
  5. Step 5: Solve for x
    x = 4,143,398,750.60/63,979.74
  6. Step 6: Final answer
    x = 64,761.11

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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.