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Finding the Fourth Proportional to 72,967.91, 109,455.14 and 22,363.23

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Solution

The fourth proportional to 72,967.91, 109,455.14 and 22,363.23 is: 33,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,967.91 : 109,455.14 = 22,363.23 : x
  2. Step 2: Convert to fraction form
    72,967.91/109,455.14 = 22,363.23/x
  3. Step 3: Cross multiply
    72,967.91x = 109,455.14 × 22,363.23
  4. Step 4: Simplify right side
    72,967.91x = 2,447,770,526.41
  5. Step 5: Solve for x
    x = 2,447,770,526.41/72,967.91
  6. Step 6: Final answer
    x = 33,545.85

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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.