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Finding the Fourth Proportional to 557,511.60, 836,299.08 and 158,120.76

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Solution

The fourth proportional to 557,511.60, 836,299.08 and 158,120.76 is: 237,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,511.60 : 836,299.08 = 158,120.76 : x
  2. Step 2: Convert to fraction form
    557,511.60/836,299.08 = 158,120.76/x
  3. Step 3: Cross multiply
    557,511.60x = 836,299.08 × 158,120.76
  4. Step 4: Simplify right side
    557,511.60x = 132,236,246,116.90
  5. Step 5: Solve for x
    x = 132,236,246,116.90/557,511.60
  6. Step 6: Final answer
    x = 237,190.13

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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.