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Finding the Fourth Proportional to 55,230.68, 83,234.72 and 49,972.76

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Solution

The fourth proportional to 55,230.68, 83,234.72 and 49,972.76 is: 75,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.68 : 83,234.72 = 49,972.76 : x
  2. Step 2: Convert to fraction form
    55,230.68/83,234.72 = 49,972.76/x
  3. Step 3: Cross multiply
    55,230.68x = 83,234.72 × 49,972.76
  4. Step 4: Simplify right side
    55,230.68x = 4,159,468,686.23
  5. Step 5: Solve for x
    x = 4,159,468,686.23/55,230.68
  6. Step 6: Final answer
    x = 75,310.84

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.