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Finding the Fourth Proportional to 188,617.92, 282,922.77 and 88,722.74

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Solution

The fourth proportional to 188,617.92, 282,922.77 and 88,722.74 is: 133,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,617.92 : 282,922.77 = 88,722.74 : x
  2. Step 2: Convert to fraction form
    188,617.92/282,922.77 = 88,722.74/x
  3. Step 3: Cross multiply
    188,617.92x = 282,922.77 × 88,722.74
  4. Step 4: Simplify right side
    188,617.92x = 25,101,684,402.81
  5. Step 5: Solve for x
    x = 25,101,684,402.81/188,617.92
  6. Step 6: Final answer
    x = 133,082.18

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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.