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Finding the Fourth Proportional to 227,685.94, 341,545.31 and 87,444.56

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Solution

The fourth proportional to 227,685.94, 341,545.31 and 87,444.56 is: 131,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,685.94 : 341,545.31 = 87,444.56 : x
  2. Step 2: Convert to fraction form
    227,685.94/341,545.31 = 87,444.56/x
  3. Step 3: Cross multiply
    227,685.94x = 341,545.31 × 87,444.56
  4. Step 4: Simplify right side
    227,685.94x = 29,866,280,097.57
  5. Step 5: Solve for x
    x = 29,866,280,097.57/227,685.94
  6. Step 6: Final answer
    x = 131,173.14

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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.