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Finding the Fourth Proportional to 173,712.86, 239,703.60 and 97,236.24

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Solution

The fourth proportional to 173,712.86, 239,703.60 and 97,236.24 is: 134,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,712.86 : 239,703.60 = 97,236.24 : x
  2. Step 2: Convert to fraction form
    173,712.86/239,703.60 = 97,236.24/x
  3. Step 3: Cross multiply
    173,712.86x = 239,703.60 × 97,236.24
  4. Step 4: Simplify right side
    173,712.86x = 23,307,876,778.46
  5. Step 5: Solve for x
    x = 23,307,876,778.46/173,712.86
  6. Step 6: Final answer
    x = 134,174.73

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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.