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Finding the Fourth Proportional to 235,882.85, 353,657.48 and 75,909.29

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Solution

The fourth proportional to 235,882.85, 353,657.48 and 75,909.29 is: 113,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,882.85 : 353,657.48 = 75,909.29 : x
  2. Step 2: Convert to fraction form
    235,882.85/353,657.48 = 75,909.29/x
  3. Step 3: Cross multiply
    235,882.85x = 353,657.48 × 75,909.29
  4. Step 4: Simplify right side
    235,882.85x = 26,845,886,062.16
  5. Step 5: Solve for x
    x = 26,845,886,062.16/235,882.85
  6. Step 6: Final answer
    x = 113,810.25

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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.