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Finding the Fourth Proportional to 173,679.50, 239,677.71 and 98,226.38

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Solution

The fourth proportional to 173,679.50, 239,677.71 and 98,226.38 is: 135,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,679.50 : 239,677.71 = 98,226.38 : x
  2. Step 2: Convert to fraction form
    173,679.50/239,677.71 = 98,226.38/x
  3. Step 3: Cross multiply
    173,679.50x = 239,677.71 × 98,226.38
  4. Step 4: Simplify right side
    173,679.50x = 23,542,673,819.99
  5. Step 5: Solve for x
    x = 23,542,673,819.99/173,679.50
  6. Step 6: Final answer
    x = 135,552.40

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1.5x scale

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.