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Finding the Fourth Proportional to 98,384.40, 135,731.88 and 60,593.04

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Solution

The fourth proportional to 98,384.40, 135,731.88 and 60,593.04 is: 83,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,384.40 : 135,731.88 = 60,593.04 : x
  2. Step 2: Convert to fraction form
    98,384.40/135,731.88 = 60,593.04/x
  3. Step 3: Cross multiply
    98,384.40x = 135,731.88 × 60,593.04
  4. Step 4: Simplify right side
    98,384.40x = 8,224,407,234.12
  5. Step 5: Solve for x
    x = 8,224,407,234.12/98,384.40
  6. Step 6: Final answer
    x = 83,594.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.