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Finding the Fourth Proportional to 101,545.74, 152,332.65 and 42,367.68

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Solution

The fourth proportional to 101,545.74, 152,332.65 and 42,367.68 is: 63,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,545.74 : 152,332.65 = 42,367.68 : x
  2. Step 2: Convert to fraction form
    101,545.74/152,332.65 = 42,367.68/x
  3. Step 3: Cross multiply
    101,545.74x = 152,332.65 × 42,367.68
  4. Step 4: Simplify right side
    101,545.74x = 6,453,980,968.75
  5. Step 5: Solve for x
    x = 6,453,980,968.75/101,545.74
  6. Step 6: Final answer
    x = 63,557.38

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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.