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Finding the Fourth Proportional to 223,398.90, 335,098.35 and 156,914.10

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Solution

The fourth proportional to 223,398.90, 335,098.35 and 156,914.10 is: 235,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,398.90 : 335,098.35 = 156,914.10 : x
  2. Step 2: Convert to fraction form
    223,398.90/335,098.35 = 156,914.10/x
  3. Step 3: Cross multiply
    223,398.90x = 335,098.35 × 156,914.10
  4. Step 4: Simplify right side
    223,398.90x = 52,581,656,001.74
  5. Step 5: Solve for x
    x = 52,581,656,001.74/223,398.90
  6. Step 6: Final answer
    x = 235,371.15

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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.