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Finding the Fourth Proportional to 123,652.40, 185,527.20 and 48,759.80

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Solution

The fourth proportional to 123,652.40, 185,527.20 and 48,759.80 is: 73,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,652.40 : 185,527.20 = 48,759.80 : x
  2. Step 2: Convert to fraction form
    123,652.40/185,527.20 = 48,759.80/x
  3. Step 3: Cross multiply
    123,652.40x = 185,527.20 × 48,759.80
  4. Step 4: Simplify right side
    123,652.40x = 9,046,269,166.56
  5. Step 5: Solve for x
    x = 9,046,269,166.56/123,652.40
  6. Step 6: Final answer
    x = 73,158.86

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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.