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Finding the Fourth Proportional to 75,959.87, 113,784.89 and 45,955.44

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Solution

The fourth proportional to 75,959.87, 113,784.89 and 45,955.44 is: 68,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,959.87 : 113,784.89 = 45,955.44 : x
  2. Step 2: Convert to fraction form
    75,959.87/113,784.89 = 45,955.44/x
  3. Step 3: Cross multiply
    75,959.87x = 113,784.89 × 45,955.44
  4. Step 4: Simplify right side
    75,959.87x = 5,229,034,455.52
  5. Step 5: Solve for x
    x = 5,229,034,455.52/75,959.87
  6. Step 6: Final answer
    x = 68,839.44

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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.