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Finding the Fourth Proportional to 125,737.84, 173,468.72 and 71,993.92

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Solution

The fourth proportional to 125,737.84, 173,468.72 and 71,993.92 is: 99,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,737.84 : 173,468.72 = 71,993.92 : x
  2. Step 2: Convert to fraction form
    125,737.84/173,468.72 = 71,993.92/x
  3. Step 3: Cross multiply
    125,737.84x = 173,468.72 × 71,993.92
  4. Step 4: Simplify right side
    125,737.84x = 12,488,693,150.18
  5. Step 5: Solve for x
    x = 12,488,693,150.18/125,737.84
  6. Step 6: Final answer
    x = 99,323.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.