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Finding the Fourth Proportional to 80,281.67, 110,766.10 and 46,287.49

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Solution

The fourth proportional to 80,281.67, 110,766.10 and 46,287.49 is: 63,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,281.67 : 110,766.10 = 46,287.49 : x
  2. Step 2: Convert to fraction form
    80,281.67/110,766.10 = 46,287.49/x
  3. Step 3: Cross multiply
    80,281.67x = 110,766.10 × 46,287.49
  4. Step 4: Simplify right side
    80,281.67x = 5,127,084,746.09
  5. Step 5: Solve for x
    x = 5,127,084,746.09/80,281.67
  6. Step 6: Final answer
    x = 63,863.70

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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.