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Finding the Fourth Proportional to 123,404.60, 185,068.58 and 44,508.57

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Solution

The fourth proportional to 123,404.60, 185,068.58 and 44,508.57 is: 66,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,404.60 : 185,068.58 = 44,508.57 : x
  2. Step 2: Convert to fraction form
    123,404.60/185,068.58 = 44,508.57/x
  3. Step 3: Cross multiply
    123,404.60x = 185,068.58 × 44,508.57
  4. Step 4: Simplify right side
    123,404.60x = 8,237,137,625.19
  5. Step 5: Solve for x
    x = 8,237,137,625.19/123,404.60
  6. Step 6: Final answer
    x = 66,749.03

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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.