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Finding the Fourth Proportional to 83,382.05, 115,066.08 and 45,656.30

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Solution

The fourth proportional to 83,382.05, 115,066.08 and 45,656.30 is: 63,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,382.05 : 115,066.08 = 45,656.30 : x
  2. Step 2: Convert to fraction form
    83,382.05/115,066.08 = 45,656.30/x
  3. Step 3: Cross multiply
    83,382.05x = 115,066.08 × 45,656.30
  4. Step 4: Simplify right side
    83,382.05x = 5,253,491,468.30
  5. Step 5: Solve for x
    x = 5,253,491,468.30/83,382.05
  6. Step 6: Final answer
    x = 63,005.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.