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Finding the Fourth Proportional to 311,585.38, 467,041.11 and 124,391.14

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Solution

The fourth proportional to 311,585.38, 467,041.11 and 124,391.14 is: 186,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,585.38 : 467,041.11 = 124,391.14 : x
  2. Step 2: Convert to fraction form
    311,585.38/467,041.11 = 124,391.14/x
  3. Step 3: Cross multiply
    311,585.38x = 467,041.11 × 124,391.14
  4. Step 4: Simplify right side
    311,585.38x = 58,095,776,099.77
  5. Step 5: Solve for x
    x = 58,095,776,099.77/311,585.38
  6. Step 6: Final answer
    x = 186,452.19

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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.