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Finding the Fourth Proportional to 82,692.80, 124,101.61 and 60,563.55

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Solution

The fourth proportional to 82,692.80, 124,101.61 and 60,563.55 is: 90,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,692.80 : 124,101.61 = 60,563.55 : x
  2. Step 2: Convert to fraction form
    82,692.80/124,101.61 = 60,563.55/x
  3. Step 3: Cross multiply
    82,692.80x = 124,101.61 × 60,563.55
  4. Step 4: Simplify right side
    82,692.80x = 7,516,034,062.32
  5. Step 5: Solve for x
    x = 7,516,034,062.32/82,692.80
  6. Step 6: Final answer
    x = 90,891.03

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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.