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Finding the Fourth Proportional to 125,904, 188,856.12 and 52,033.92

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Solution

The fourth proportional to 125,904, 188,856.12 and 52,033.92 is: 78,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,904 : 188,856.12 = 52,033.92 : x
  2. Step 2: Convert to fraction form
    125,904/188,856.12 = 52,033.92/x
  3. Step 3: Cross multiply
    125,904x = 188,856.12 × 52,033.92
  4. Step 4: Simplify right side
    125,904x = 9,826,924,239.59
  5. Step 5: Solve for x
    x = 9,826,924,239.59/125,904
  6. Step 6: Final answer
    x = 78,050.93

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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.