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Finding the Fourth Proportional to 89,930.66, 134,895.90 and 26,750.52

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Solution

The fourth proportional to 89,930.66, 134,895.90 and 26,750.52 is: 40,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,930.66 : 134,895.90 = 26,750.52 : x
  2. Step 2: Convert to fraction form
    89,930.66/134,895.90 = 26,750.52/x
  3. Step 3: Cross multiply
    89,930.66x = 134,895.90 × 26,750.52
  4. Step 4: Simplify right side
    89,930.66x = 3,608,535,470.87
  5. Step 5: Solve for x
    x = 3,608,535,470.87/89,930.66
  6. Step 6: Final answer
    x = 40,125.75

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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.