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Finding the Fourth Proportional to 91,716.68, 126,569.70 and 59,866.76

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Solution

The fourth proportional to 91,716.68, 126,569.70 and 59,866.76 is: 82,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,716.68 : 126,569.70 = 59,866.76 : x
  2. Step 2: Convert to fraction form
    91,716.68/126,569.70 = 59,866.76/x
  3. Step 3: Cross multiply
    91,716.68x = 126,569.70 × 59,866.76
  4. Step 4: Simplify right side
    91,716.68x = 7,577,317,853.17
  5. Step 5: Solve for x
    x = 7,577,317,853.17/91,716.68
  6. Step 6: Final answer
    x = 82,616.57

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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.