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Finding the Fourth Proportional to 173,876.45, 239,958.52 and 97,391.07

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Solution

The fourth proportional to 173,876.45, 239,958.52 and 97,391.07 is: 134,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,876.45 : 239,958.52 = 97,391.07 : x
  2. Step 2: Convert to fraction form
    173,876.45/239,958.52 = 97,391.07/x
  3. Step 3: Cross multiply
    173,876.45x = 239,958.52 × 97,391.07
  4. Step 4: Simplify right side
    173,876.45x = 23,369,816,531.46
  5. Step 5: Solve for x
    x = 23,369,816,531.46/173,876.45
  6. Step 6: Final answer
    x = 134,404.73

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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.