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Finding the Fourth Proportional to 67,752.60, 101,216.84 and 43,865.56

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Solution

The fourth proportional to 67,752.60, 101,216.84 and 43,865.56 is: 65,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,752.60 : 101,216.84 = 43,865.56 : x
  2. Step 2: Convert to fraction form
    67,752.60/101,216.84 = 43,865.56/x
  3. Step 3: Cross multiply
    67,752.60x = 101,216.84 × 43,865.56
  4. Step 4: Simplify right side
    67,752.60x = 4,439,933,368.03
  5. Step 5: Solve for x
    x = 4,439,933,368.03/67,752.60
  6. Step 6: Final answer
    x = 65,531.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.