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Finding the Fourth Proportional to 173,556.54, 239,530.20 and 97,079.88

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Solution

The fourth proportional to 173,556.54, 239,530.20 and 97,079.88 is: 133,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,556.54 : 239,530.20 = 97,079.88 : x
  2. Step 2: Convert to fraction form
    173,556.54/239,530.20 = 97,079.88/x
  3. Step 3: Cross multiply
    173,556.54x = 239,530.20 × 97,079.88
  4. Step 4: Simplify right side
    173,556.54x = 23,253,563,072.38
  5. Step 5: Solve for x
    x = 23,253,563,072.38/173,556.54
  6. Step 6: Final answer
    x = 133,982.64

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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.