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Finding the Fourth Proportional to 144,743, 217,118.76 and 123,549.42

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Solution

The fourth proportional to 144,743, 217,118.76 and 123,549.42 is: 185,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,743 : 217,118.76 = 123,549.42 : x
  2. Step 2: Convert to fraction form
    144,743/217,118.76 = 123,549.42/x
  3. Step 3: Cross multiply
    144,743x = 217,118.76 × 123,549.42
  4. Step 4: Simplify right side
    144,743x = 26,824,896,869.12
  5. Step 5: Solve for x
    x = 26,824,896,869.12/144,743
  6. Step 6: Final answer
    x = 185,327.77

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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.