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Finding the Fourth Proportional to 223,416.90, 335,125.35 and 156,932.10

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Solution

The fourth proportional to 223,416.90, 335,125.35 and 156,932.10 is: 235,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,416.90 : 335,125.35 = 156,932.10 : x
  2. Step 2: Convert to fraction form
    223,416.90/335,125.35 = 156,932.10/x
  3. Step 3: Cross multiply
    223,416.90x = 335,125.35 × 156,932.10
  4. Step 4: Simplify right side
    223,416.90x = 52,591,924,938.74
  5. Step 5: Solve for x
    x = 52,591,924,938.74/223,416.90
  6. Step 6: Final answer
    x = 235,398.15

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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.