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Finding the Fourth Proportional to 154,472.95, 231,719.96 and 49,299.85

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Solution

The fourth proportional to 154,472.95, 231,719.96 and 49,299.85 is: 73,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,472.95 : 231,719.96 = 49,299.85 : x
  2. Step 2: Convert to fraction form
    154,472.95/231,719.96 = 49,299.85/x
  3. Step 3: Cross multiply
    154,472.95x = 231,719.96 × 49,299.85
  4. Step 4: Simplify right side
    154,472.95x = 11,423,760,200.58
  5. Step 5: Solve for x
    x = 11,423,760,200.58/154,472.95
  6. Step 6: Final answer
    x = 73,953.14

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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.