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Finding the Fourth Proportional to 173,793.12, 239,839.56 and 98,340

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Solution

The fourth proportional to 173,793.12, 239,839.56 and 98,340 is: 135,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,793.12 : 239,839.56 = 98,340 : x
  2. Step 2: Convert to fraction form
    173,793.12/239,839.56 = 98,340/x
  3. Step 3: Cross multiply
    173,793.12x = 239,839.56 × 98,340
  4. Step 4: Simplify right side
    173,793.12x = 23,585,822,330.40
  5. Step 5: Solve for x
    x = 23,585,822,330.40/173,793.12
  6. Step 6: Final answer
    x = 135,712.06

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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.