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Finding the Fourth Proportional to 89,562.88, 123,596.76 and 49,275.76

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Solution

The fourth proportional to 89,562.88, 123,596.76 and 49,275.76 is: 68,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,562.88 : 123,596.76 = 49,275.76 : x
  2. Step 2: Convert to fraction form
    89,562.88/123,596.76 = 49,275.76/x
  3. Step 3: Cross multiply
    89,562.88x = 123,596.76 × 49,275.76
  4. Step 4: Simplify right side
    89,562.88x = 6,090,324,282.54
  5. Step 5: Solve for x
    x = 6,090,324,282.54/89,562.88
  6. Step 6: Final answer
    x = 68,000.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.