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Finding the Fourth Proportional to 82,346.60, 123,519.90 and 44,892.20

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Solution

The fourth proportional to 82,346.60, 123,519.90 and 44,892.20 is: 67,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,346.60 : 123,519.90 = 44,892.20 : x
  2. Step 2: Convert to fraction form
    82,346.60/123,519.90 = 44,892.20/x
  3. Step 3: Cross multiply
    82,346.60x = 123,519.90 × 44,892.20
  4. Step 4: Simplify right side
    82,346.60x = 5,545,080,054.78
  5. Step 5: Solve for x
    x = 5,545,080,054.78/82,346.60
  6. Step 6: Final answer
    x = 67,338.30

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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.