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Finding the Fourth Proportional to 223,013.60, 334,520.40 and 185,615.90

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Solution

The fourth proportional to 223,013.60, 334,520.40 and 185,615.90 is: 278,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,013.60 : 334,520.40 = 185,615.90 : x
  2. Step 2: Convert to fraction form
    223,013.60/334,520.40 = 185,615.90/x
  3. Step 3: Cross multiply
    223,013.60x = 334,520.40 × 185,615.90
  4. Step 4: Simplify right side
    223,013.60x = 62,092,305,114.36
  5. Step 5: Solve for x
    x = 62,092,305,114.36/223,013.60
  6. Step 6: Final answer
    x = 278,423.85

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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.