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Finding the Fourth Proportional to 69,737.68, 104,603.02 and 38,209.35

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Solution

The fourth proportional to 69,737.68, 104,603.02 and 38,209.35 is: 57,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,737.68 : 104,603.02 = 38,209.35 : x
  2. Step 2: Convert to fraction form
    69,737.68/104,603.02 = 38,209.35/x
  3. Step 3: Cross multiply
    69,737.68x = 104,603.02 × 38,209.35
  4. Step 4: Simplify right side
    69,737.68x = 3,996,812,923.85
  5. Step 5: Solve for x
    x = 3,996,812,923.85/69,737.68
  6. Step 6: Final answer
    x = 57,312.10

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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.