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Finding the Fourth Proportional to 80,298.48, 110,805.66 and 44,485.68

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Solution

The fourth proportional to 80,298.48, 110,805.66 and 44,485.68 is: 61,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,298.48 : 110,805.66 = 44,485.68 : x
  2. Step 2: Convert to fraction form
    80,298.48/110,805.66 = 44,485.68/x
  3. Step 3: Cross multiply
    80,298.48x = 110,805.66 × 44,485.68
  4. Step 4: Simplify right side
    80,298.48x = 4,929,265,132.95
  5. Step 5: Solve for x
    x = 4,929,265,132.95/80,298.48
  6. Step 6: Final answer
    x = 61,386.78

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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.