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Finding the Fourth Proportional to 156,694.70, 235,042.05 and 149,869.10

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Solution

The fourth proportional to 156,694.70, 235,042.05 and 149,869.10 is: 224,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,694.70 : 235,042.05 = 149,869.10 : x
  2. Step 2: Convert to fraction form
    156,694.70/235,042.05 = 149,869.10/x
  3. Step 3: Cross multiply
    156,694.70x = 235,042.05 × 149,869.10
  4. Step 4: Simplify right side
    156,694.70x = 35,225,540,495.66
  5. Step 5: Solve for x
    x = 35,225,540,495.66/156,694.70
  6. Step 6: Final answer
    x = 224,803.65

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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.