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Finding the Fourth Proportional to 125,612.30, 188,418.42 and 59,003.54

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Solution

The fourth proportional to 125,612.30, 188,418.42 and 59,003.54 is: 88,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,612.30 : 188,418.42 = 59,003.54 : x
  2. Step 2: Convert to fraction form
    125,612.30/188,418.42 = 59,003.54/x
  3. Step 3: Cross multiply
    125,612.30x = 188,418.42 × 59,003.54
  4. Step 4: Simplify right side
    125,612.30x = 11,117,353,781.21
  5. Step 5: Solve for x
    x = 11,117,353,781.21/125,612.30
  6. Step 6: Final answer
    x = 88,505.30

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1.5x scale

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.