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Finding the Fourth Proportional to 91,668.56, 126,524.04 and 59,781.92

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Solution

The fourth proportional to 91,668.56, 126,524.04 and 59,781.92 is: 82,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,668.56 : 126,524.04 = 59,781.92 : x
  2. Step 2: Convert to fraction form
    91,668.56/126,524.04 = 59,781.92/x
  3. Step 3: Cross multiply
    91,668.56x = 126,524.04 × 59,781.92
  4. Step 4: Simplify right side
    91,668.56x = 7,563,850,037.36
  5. Step 5: Solve for x
    x = 7,563,850,037.36/91,668.56
  6. Step 6: Final answer
    x = 82,513.02

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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.