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Finding the Fourth Proportional to 218,159.98, 327,240.42 and 60,388.90

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Solution

The fourth proportional to 218,159.98, 327,240.42 and 60,388.90 is: 90,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,159.98 : 327,240.42 = 60,388.90 : x
  2. Step 2: Convert to fraction form
    218,159.98/327,240.42 = 60,388.90/x
  3. Step 3: Cross multiply
    218,159.98x = 327,240.42 × 60,388.90
  4. Step 4: Simplify right side
    218,159.98x = 19,761,688,999.34
  5. Step 5: Solve for x
    x = 19,761,688,999.34/218,159.98
  6. Step 6: Final answer
    x = 90,583.47

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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.