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Finding the Fourth Proportional to 125,652.35, 188,509.50 and 62,502.42

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Solution

The fourth proportional to 125,652.35, 188,509.50 and 62,502.42 is: 93,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,652.35 : 188,509.50 = 62,502.42 : x
  2. Step 2: Convert to fraction form
    125,652.35/188,509.50 = 62,502.42/x
  3. Step 3: Cross multiply
    125,652.35x = 188,509.50 × 62,502.42
  4. Step 4: Simplify right side
    125,652.35x = 11,782,299,942.99
  5. Step 5: Solve for x
    x = 11,782,299,942.99/125,652.35
  6. Step 6: Final answer
    x = 93,769.04

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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.