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Finding the Fourth Proportional to 247,179.97, 370,769.80 and 89,371.53

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Solution

The fourth proportional to 247,179.97, 370,769.80 and 89,371.53 is: 134,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,179.97 : 370,769.80 = 89,371.53 : x
  2. Step 2: Convert to fraction form
    247,179.97/370,769.80 = 89,371.53/x
  3. Step 3: Cross multiply
    247,179.97x = 370,769.80 × 89,371.53
  4. Step 4: Simplify right side
    247,179.97x = 33,136,264,303.79
  5. Step 5: Solve for x
    x = 33,136,264,303.79/247,179.97
  6. Step 6: Final answer
    x = 134,057.24

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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.