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Finding the Fourth Proportional to 123,808.10, 185,690.55 and 44,881.70

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Solution

The fourth proportional to 123,808.10, 185,690.55 and 44,881.70 is: 67,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,808.10 : 185,690.55 = 44,881.70 : x
  2. Step 2: Convert to fraction form
    123,808.10/185,690.55 = 44,881.70/x
  3. Step 3: Cross multiply
    123,808.10x = 185,690.55 × 44,881.70
  4. Step 4: Simplify right side
    123,808.10x = 8,334,107,557.94
  5. Step 5: Solve for x
    x = 8,334,107,557.94/123,808.10
  6. Step 6: Final answer
    x = 67,314.72

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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.