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Finding the Fourth Proportional to 173,686.44, 239,691.55 and 97,204.94

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Solution

The fourth proportional to 173,686.44, 239,691.55 and 97,204.94 is: 134,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,686.44 : 239,691.55 = 97,204.94 : x
  2. Step 2: Convert to fraction form
    173,686.44/239,691.55 = 97,204.94/x
  3. Step 3: Cross multiply
    173,686.44x = 239,691.55 × 97,204.94
  4. Step 4: Simplify right side
    173,686.44x = 23,299,202,375.89
  5. Step 5: Solve for x
    x = 23,299,202,375.89/173,686.44
  6. Step 6: Final answer
    x = 134,145.20

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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.