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Finding the Fourth Proportional to 133,518.78, 200,347.20 and 58,691.46

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Solution

The fourth proportional to 133,518.78, 200,347.20 and 58,691.46 is: 88,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,518.78 : 200,347.20 = 58,691.46 : x
  2. Step 2: Convert to fraction form
    133,518.78/200,347.20 = 58,691.46/x
  3. Step 3: Cross multiply
    133,518.78x = 200,347.20 × 58,691.46
  4. Step 4: Simplify right side
    133,518.78x = 11,758,669,674.91
  5. Step 5: Solve for x
    x = 11,758,669,674.91/133,518.78
  6. Step 6: Final answer
    x = 88,067.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.