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Finding the Fourth Proportional to 123,374.70, 185,148.45 and 53,304.30

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Solution

The fourth proportional to 123,374.70, 185,148.45 and 53,304.30 is: 79,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,374.70 : 185,148.45 = 53,304.30 : x
  2. Step 2: Convert to fraction form
    123,374.70/185,148.45 = 53,304.30/x
  3. Step 3: Cross multiply
    123,374.70x = 185,148.45 × 53,304.30
  4. Step 4: Simplify right side
    123,374.70x = 9,869,208,523.34
  5. Step 5: Solve for x
    x = 9,869,208,523.34/123,374.70
  6. Step 6: Final answer
    x = 79,993.78

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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.