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Finding the Fourth Proportional to 173,242.92, 239,078.16 and 96,768.72

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Solution

The fourth proportional to 173,242.92, 239,078.16 and 96,768.72 is: 133,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,242.92 : 239,078.16 = 96,768.72 : x
  2. Step 2: Convert to fraction form
    173,242.92/239,078.16 = 96,768.72/x
  3. Step 3: Cross multiply
    173,242.92x = 239,078.16 × 96,768.72
  4. Step 4: Simplify right side
    173,242.92x = 23,135,287,523.16
  5. Step 5: Solve for x
    x = 23,135,287,523.16/173,242.92
  6. Step 6: Final answer
    x = 133,542.47

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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.