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Finding the Fourth Proportional to 270,349.92, 373,079.00 and 149,488.55

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Solution

The fourth proportional to 270,349.92, 373,079.00 and 149,488.55 is: 206,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,349.92 : 373,079.00 = 149,488.55 : x
  2. Step 2: Convert to fraction form
    270,349.92/373,079.00 = 149,488.55/x
  3. Step 3: Cross multiply
    270,349.92x = 373,079.00 × 149,488.55
  4. Step 4: Simplify right side
    270,349.92x = 55,771,036,132.61
  5. Step 5: Solve for x
    x = 55,771,036,132.61/270,349.92
  6. Step 6: Final answer
    x = 206,292.04

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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.