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Finding the Fourth Proportional to 123,082.80, 184,570.20 and 56,500.80

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Solution

The fourth proportional to 123,082.80, 184,570.20 and 56,500.80 is: 84,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,082.80 : 184,570.20 = 56,500.80 : x
  2. Step 2: Convert to fraction form
    123,082.80/184,570.20 = 56,500.80/x
  3. Step 3: Cross multiply
    123,082.80x = 184,570.20 × 56,500.80
  4. Step 4: Simplify right side
    123,082.80x = 10,428,363,956.16
  5. Step 5: Solve for x
    x = 10,428,363,956.16/123,082.80
  6. Step 6: Final answer
    x = 84,726.41

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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.