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Finding the Fourth Proportional to 625,162.55, 937,743.80 and 151,844.72

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Solution

The fourth proportional to 625,162.55, 937,743.80 and 151,844.72 is: 227,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,162.55 : 937,743.80 = 151,844.72 : x
  2. Step 2: Convert to fraction form
    625,162.55/937,743.80 = 151,844.72/x
  3. Step 3: Cross multiply
    625,162.55x = 937,743.80 × 151,844.72
  4. Step 4: Simplify right side
    625,162.55x = 142,391,439,294.79
  5. Step 5: Solve for x
    x = 142,391,439,294.79/625,162.55
  6. Step 6: Final answer
    x = 227,767.07

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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.