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Finding the Fourth Proportional to 196,484.76, 271,148.97 and 107,060.76

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Solution

The fourth proportional to 196,484.76, 271,148.97 and 107,060.76 is: 147,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,484.76 : 271,148.97 = 107,060.76 : x
  2. Step 2: Convert to fraction form
    196,484.76/271,148.97 = 107,060.76/x
  3. Step 3: Cross multiply
    196,484.76x = 271,148.97 × 107,060.76
  4. Step 4: Simplify right side
    196,484.76x = 29,029,415,202.90
  5. Step 5: Solve for x
    x = 29,029,415,202.90/196,484.76
  6. Step 6: Final answer
    x = 147,743.85

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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.