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Finding the Fourth Proportional to 173,882.70, 239,961.15 and 97,401.15

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Solution

The fourth proportional to 173,882.70, 239,961.15 and 97,401.15 is: 134,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,882.70 : 239,961.15 = 97,401.15 : x
  2. Step 2: Convert to fraction form
    173,882.70/239,961.15 = 97,401.15/x
  3. Step 3: Cross multiply
    173,882.70x = 239,961.15 × 97,401.15
  4. Step 4: Simplify right side
    173,882.70x = 23,372,491,965.32
  5. Step 5: Solve for x
    x = 23,372,491,965.32/173,882.70
  6. Step 6: Final answer
    x = 134,415.28

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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.