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Finding the Fourth Proportional to 69,109.20, 103,663.80 and 24,737.40

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Solution

The fourth proportional to 69,109.20, 103,663.80 and 24,737.40 is: 37,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.20 : 103,663.80 = 24,737.40 : x
  2. Step 2: Convert to fraction form
    69,109.20/103,663.80 = 24,737.40/x
  3. Step 3: Cross multiply
    69,109.20x = 103,663.80 × 24,737.40
  4. Step 4: Simplify right side
    69,109.20x = 2,564,372,886.12
  5. Step 5: Solve for x
    x = 2,564,372,886.12/69,109.20
  6. Step 6: Final answer
    x = 37,106.10

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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.