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Finding the Fourth Proportional to 344,586.70, 516,880.05 and 108,001.90

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Solution

The fourth proportional to 344,586.70, 516,880.05 and 108,001.90 is: 162,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,586.70 : 516,880.05 = 108,001.90 : x
  2. Step 2: Convert to fraction form
    344,586.70/516,880.05 = 108,001.90/x
  3. Step 3: Cross multiply
    344,586.70x = 516,880.05 × 108,001.90
  4. Step 4: Simplify right side
    344,586.70x = 55,824,027,472.10
  5. Step 5: Solve for x
    x = 55,824,027,472.10/344,586.70
  6. Step 6: Final answer
    x = 162,002.85

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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.