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Finding the Fourth Proportional to 83,016.70, 114,562.50 and 47,206.73

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Solution

The fourth proportional to 83,016.70, 114,562.50 and 47,206.73 is: 65,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016.70 : 114,562.50 = 47,206.73 : x
  2. Step 2: Convert to fraction form
    83,016.70/114,562.50 = 47,206.73/x
  3. Step 3: Cross multiply
    83,016.70x = 114,562.50 × 47,206.73
  4. Step 4: Simplify right side
    83,016.70x = 5,408,121,005.63
  5. Step 5: Solve for x
    x = 5,408,121,005.63/83,016.70
  6. Step 6: Final answer
    x = 65,144.98

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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.