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Finding the Fourth Proportional to 247,391.52, 371,086.32 and 89,583.06

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Solution

The fourth proportional to 247,391.52, 371,086.32 and 89,583.06 is: 134,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,391.52 : 371,086.32 = 89,583.06 : x
  2. Step 2: Convert to fraction form
    247,391.52/371,086.32 = 89,583.06/x
  3. Step 3: Cross multiply
    247,391.52x = 371,086.32 × 89,583.06
  4. Step 4: Simplify right side
    247,391.52x = 33,243,048,069.74
  5. Step 5: Solve for x
    x = 33,243,048,069.74/247,391.52
  6. Step 6: Final answer
    x = 134,374.24

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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.