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Finding the Fourth Proportional to 173,812, 239,860.56 and 98,360.68

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Solution

The fourth proportional to 173,812, 239,860.56 and 98,360.68 is: 135,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,812 : 239,860.56 = 98,360.68 : x
  2. Step 2: Convert to fraction form
    173,812/239,860.56 = 98,360.68/x
  3. Step 3: Cross multiply
    173,812x = 239,860.56 × 98,360.68
  4. Step 4: Simplify right side
    173,812x = 23,592,847,786.78
  5. Step 5: Solve for x
    x = 23,592,847,786.78/173,812
  6. Step 6: Final answer
    x = 135,737.74

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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.