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Finding the Fourth Proportional to 151,354.23, 208,644.61 and 96,898.61

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Solution

The fourth proportional to 151,354.23, 208,644.61 and 96,898.61 is: 133,576.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,354.23 : 208,644.61 = 96,898.61 : x
  2. Step 2: Convert to fraction form
    151,354.23/208,644.61 = 96,898.61/x
  3. Step 3: Cross multiply
    151,354.23x = 208,644.61 × 96,898.61
  4. Step 4: Simplify right side
    151,354.23x = 20,217,373,154.04
  5. Step 5: Solve for x
    x = 20,217,373,154.04/151,354.23
  6. Step 6: Final answer
    x = 133,576.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.