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Finding the Fourth Proportional to 123,901.35, 185,836.11 and 39,654.46

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Solution

The fourth proportional to 123,901.35, 185,836.11 and 39,654.46 is: 59,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,901.35 : 185,836.11 = 39,654.46 : x
  2. Step 2: Convert to fraction form
    123,901.35/185,836.11 = 39,654.46/x
  3. Step 3: Cross multiply
    123,901.35x = 185,836.11 × 39,654.46
  4. Step 4: Simplify right side
    123,901.35x = 7,369,230,674.14
  5. Step 5: Solve for x
    x = 7,369,230,674.14/123,901.35
  6. Step 6: Final answer
    x = 59,476.60

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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.