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Finding the Fourth Proportional to 125,377.72, 188,066.78 and 44,385.01

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Solution

The fourth proportional to 125,377.72, 188,066.78 and 44,385.01 is: 66,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,377.72 : 188,066.78 = 44,385.01 : x
  2. Step 2: Convert to fraction form
    125,377.72/188,066.78 = 44,385.01/x
  3. Step 3: Cross multiply
    125,377.72x = 188,066.78 × 44,385.01
  4. Step 4: Simplify right side
    125,377.72x = 8,347,346,021.93
  5. Step 5: Solve for x
    x = 8,347,346,021.93/125,377.72
  6. Step 6: Final answer
    x = 66,577.59

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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.