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Finding the Fourth Proportional to 144,687.68, 199,602.53 and 93,717.42

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Solution

The fourth proportional to 144,687.68, 199,602.53 and 93,717.42 is: 129,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,687.68 : 199,602.53 = 93,717.42 : x
  2. Step 2: Convert to fraction form
    144,687.68/199,602.53 = 93,717.42/x
  3. Step 3: Cross multiply
    144,687.68x = 199,602.53 × 93,717.42
  4. Step 4: Simplify right side
    144,687.68x = 18,706,234,394.18
  5. Step 5: Solve for x
    x = 18,706,234,394.18/144,687.68
  6. Step 6: Final answer
    x = 129,286.98

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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.