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Finding the Fourth Proportional to 107,497.62, 161,260.20 and 35,426.39

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Solution

The fourth proportional to 107,497.62, 161,260.20 and 35,426.39 is: 53,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,497.62 : 161,260.20 = 35,426.39 : x
  2. Step 2: Convert to fraction form
    107,497.62/161,260.20 = 35,426.39/x
  3. Step 3: Cross multiply
    107,497.62x = 161,260.20 × 35,426.39
  4. Step 4: Simplify right side
    107,497.62x = 5,712,865,930.38
  5. Step 5: Solve for x
    x = 5,712,865,930.38/107,497.62
  6. Step 6: Final answer
    x = 53,144.12

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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.