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Finding the Fourth Proportional to 139,508.73, 209,276.87 and 44,715.11

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Solution

The fourth proportional to 139,508.73, 209,276.87 and 44,715.11 is: 67,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,508.73 : 209,276.87 = 44,715.11 : x
  2. Step 2: Convert to fraction form
    139,508.73/209,276.87 = 44,715.11/x
  3. Step 3: Cross multiply
    139,508.73x = 209,276.87 × 44,715.11
  4. Step 4: Simplify right side
    139,508.73x = 9,357,836,992.55
  5. Step 5: Solve for x
    x = 9,357,836,992.55/139,508.73
  6. Step 6: Final answer
    x = 67,077.07

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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.