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Finding the Fourth Proportional to 95,655.71, 143,412.15 and 65,988.92

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Solution

The fourth proportional to 95,655.71, 143,412.15 and 65,988.92 is: 98,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,655.71 : 143,412.15 = 65,988.92 : x
  2. Step 2: Convert to fraction form
    95,655.71/143,412.15 = 65,988.92/x
  3. Step 3: Cross multiply
    95,655.71x = 143,412.15 × 65,988.92
  4. Step 4: Simplify right side
    95,655.71x = 9,463,612,893.38
  5. Step 5: Solve for x
    x = 9,463,612,893.38/95,655.71
  6. Step 6: Final answer
    x = 98,934.11

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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.