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Finding the Fourth Proportional to 237,909.75, 356,751.62 and 138,100.53

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Solution

The fourth proportional to 237,909.75, 356,751.62 and 138,100.53 is: 207,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,909.75 : 356,751.62 = 138,100.53 : x
  2. Step 2: Convert to fraction form
    237,909.75/356,751.62 = 138,100.53/x
  3. Step 3: Cross multiply
    237,909.75x = 356,751.62 × 138,100.53
  4. Step 4: Simplify right side
    237,909.75x = 49,267,587,800.36
  5. Step 5: Solve for x
    x = 49,267,587,800.36/237,909.75
  6. Step 6: Final answer
    x = 207,085.20

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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.