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Finding the Fourth Proportional to 79,446.60, 109,707.50 and 59,268.44

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Solution

The fourth proportional to 79,446.60, 109,707.50 and 59,268.44 is: 81,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,446.60 : 109,707.50 = 59,268.44 : x
  2. Step 2: Convert to fraction form
    79,446.60/109,707.50 = 59,268.44/x
  3. Step 3: Cross multiply
    79,446.60x = 109,707.50 × 59,268.44
  4. Step 4: Simplify right side
    79,446.60x = 6,502,192,803.74
  5. Step 5: Solve for x
    x = 6,502,192,803.74/79,446.60
  6. Step 6: Final answer
    x = 81,843.56

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1.5x scale

Why These Related Problems?

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