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Finding the Fourth Proportional to 78,737.66, 118,082.23 and 22,562.69

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Solution

The fourth proportional to 78,737.66, 118,082.23 and 22,562.69 is: 33,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,737.66 : 118,082.23 = 22,562.69 : x
  2. Step 2: Convert to fraction form
    78,737.66/118,082.23 = 22,562.69/x
  3. Step 3: Cross multiply
    78,737.66x = 118,082.23 × 22,562.69
  4. Step 4: Simplify right side
    78,737.66x = 2,664,252,103.18
  5. Step 5: Solve for x
    x = 2,664,252,103.18/78,737.66
  6. Step 6: Final answer
    x = 33,837.08

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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.