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Finding the Fourth Proportional to 139,240.92, 208,937 and 59,265.84

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Solution

The fourth proportional to 139,240.92, 208,937 and 59,265.84 is: 88,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,240.92 : 208,937 = 59,265.84 : x
  2. Step 2: Convert to fraction form
    139,240.92/208,937 = 59,265.84/x
  3. Step 3: Cross multiply
    139,240.92x = 208,937 × 59,265.84
  4. Step 4: Simplify right side
    139,240.92x = 12,382,826,812.08
  5. Step 5: Solve for x
    x = 12,382,826,812.08/139,240.92
  6. Step 6: Final answer
    x = 88,930.95

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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.