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Finding the Fourth Proportional to 80,287.81, 110,792.81 and 44,475.68

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Solution

The fourth proportional to 80,287.81, 110,792.81 and 44,475.68 is: 61,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,287.81 : 110,792.81 = 44,475.68 : x
  2. Step 2: Convert to fraction form
    80,287.81/110,792.81 = 44,475.68/x
  3. Step 3: Cross multiply
    80,287.81x = 110,792.81 × 44,475.68
  4. Step 4: Simplify right side
    80,287.81x = 4,927,585,952.03
  5. Step 5: Solve for x
    x = 4,927,585,952.03/80,287.81
  6. Step 6: Final answer
    x = 61,374.03

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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.