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Finding the Fourth Proportional to 67,424.78, 101,148.14 and 25,308.17

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Solution

The fourth proportional to 67,424.78, 101,148.14 and 25,308.17 is: 37,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,424.78 : 101,148.14 = 25,308.17 : x
  2. Step 2: Convert to fraction form
    67,424.78/101,148.14 = 25,308.17/x
  3. Step 3: Cross multiply
    67,424.78x = 101,148.14 × 25,308.17
  4. Step 4: Simplify right side
    67,424.78x = 2,559,874,322.30
  5. Step 5: Solve for x
    x = 2,559,874,322.30/67,424.78
  6. Step 6: Final answer
    x = 37,966.37

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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.