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Finding the Fourth Proportional to 67,502.20, 101,204.70 and 37,929.10

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Solution

The fourth proportional to 67,502.20, 101,204.70 and 37,929.10 is: 56,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,502.20 : 101,204.70 = 37,929.10 : x
  2. Step 2: Convert to fraction form
    67,502.20/101,204.70 = 37,929.10/x
  3. Step 3: Cross multiply
    67,502.20x = 101,204.70 × 37,929.10
  4. Step 4: Simplify right side
    67,502.20x = 3,838,603,186.77
  5. Step 5: Solve for x
    x = 3,838,603,186.77/67,502.20
  6. Step 6: Final answer
    x = 56,866.34

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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.