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Finding the Fourth Proportional to 125,893.92, 188,957.52 and 63,608.16

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Solution

The fourth proportional to 125,893.92, 188,957.52 and 63,608.16 is: 95,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,893.92 : 188,957.52 = 63,608.16 : x
  2. Step 2: Convert to fraction form
    125,893.92/188,957.52 = 63,608.16/x
  3. Step 3: Cross multiply
    125,893.92x = 188,957.52 × 63,608.16
  4. Step 4: Simplify right side
    125,893.92x = 12,019,240,165.36
  5. Step 5: Solve for x
    x = 12,019,240,165.36/125,893.92
  6. Step 6: Final answer
    x = 95,471.17

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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.