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Finding the Fourth Proportional to 173,679, 239,677.02 and 98,225.88

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Solution

The fourth proportional to 173,679, 239,677.02 and 98,225.88 is: 135,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,679 : 239,677.02 = 98,225.88 : x
  2. Step 2: Convert to fraction form
    173,679/239,677.02 = 98,225.88/x
  3. Step 3: Cross multiply
    173,679x = 239,677.02 × 98,225.88
  4. Step 4: Simplify right side
    173,679x = 23,542,486,205.28
  5. Step 5: Solve for x
    x = 23,542,486,205.28/173,679
  6. Step 6: Final answer
    x = 135,551.71

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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.