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Finding the Fourth Proportional to 101,716.62, 140,366.76 and 58,692.74

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Solution

The fourth proportional to 101,716.62, 140,366.76 and 58,692.74 is: 80,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,716.62 : 140,366.76 = 58,692.74 : x
  2. Step 2: Convert to fraction form
    101,716.62/140,366.76 = 58,692.74/x
  3. Step 3: Cross multiply
    101,716.62x = 140,366.76 × 58,692.74
  4. Step 4: Simplify right side
    101,716.62x = 8,238,508,827.39
  5. Step 5: Solve for x
    x = 8,238,508,827.39/101,716.62
  6. Step 6: Final answer
    x = 80,994.72

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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.