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Finding the Fourth Proportional to 182,162.55, 251,384.55 and 100,488.96

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Solution

The fourth proportional to 182,162.55, 251,384.55 and 100,488.96 is: 138,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,162.55 : 251,384.55 = 100,488.96 : x
  2. Step 2: Convert to fraction form
    182,162.55/251,384.55 = 100,488.96/x
  3. Step 3: Cross multiply
    182,162.55x = 251,384.55 × 100,488.96
  4. Step 4: Simplify right side
    182,162.55x = 25,261,371,989.57
  5. Step 5: Solve for x
    x = 25,261,371,989.57/182,162.55
  6. Step 6: Final answer
    x = 138,674.89

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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.