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Finding the Fourth Proportional to 125,894.92, 188,959.04 and 63,609.16

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Solution

The fourth proportional to 125,894.92, 188,959.04 and 63,609.16 is: 95,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894.92 : 188,959.04 = 63,609.16 : x
  2. Step 2: Convert to fraction form
    125,894.92/188,959.04 = 63,609.16/x
  3. Step 3: Cross multiply
    125,894.92x = 188,959.04 × 63,609.16
  4. Step 4: Simplify right side
    125,894.92x = 12,019,525,808.81
  5. Step 5: Solve for x
    x = 12,019,525,808.81/125,894.92
  6. Step 6: Final answer
    x = 95,472.68

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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.