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Finding the Fourth Proportional to 95,807.89, 143,700.90 and 25,681.74

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Solution

The fourth proportional to 95,807.89, 143,700.90 and 25,681.74 is: 38,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,807.89 : 143,700.90 = 25,681.74 : x
  2. Step 2: Convert to fraction form
    95,807.89/143,700.90 = 25,681.74/x
  3. Step 3: Cross multiply
    95,807.89x = 143,700.90 × 25,681.74
  4. Step 4: Simplify right side
    95,807.89x = 3,690,489,151.57
  5. Step 5: Solve for x
    x = 3,690,489,151.57/95,807.89
  6. Step 6: Final answer
    x = 38,519.68

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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.