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Finding the Fourth Proportional to 123,337.60, 185,006.40 and 73,441.60

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Solution

The fourth proportional to 123,337.60, 185,006.40 and 73,441.60 is: 110,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,337.60 : 185,006.40 = 73,441.60 : x
  2. Step 2: Convert to fraction form
    123,337.60/185,006.40 = 73,441.60/x
  3. Step 3: Cross multiply
    123,337.60x = 185,006.40 × 73,441.60
  4. Step 4: Simplify right side
    123,337.60x = 13,587,166,026.24
  5. Step 5: Solve for x
    x = 13,587,166,026.24/123,337.60
  6. Step 6: Final answer
    x = 110,162.40

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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.