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Finding the Fourth Proportional to 80,683.82, 111,342.06 and 44,873.06

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Solution

The fourth proportional to 80,683.82, 111,342.06 and 44,873.06 is: 61,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,683.82 : 111,342.06 = 44,873.06 : x
  2. Step 2: Convert to fraction form
    80,683.82/111,342.06 = 44,873.06/x
  3. Step 3: Cross multiply
    80,683.82x = 111,342.06 × 44,873.06
  4. Step 4: Simplify right side
    80,683.82x = 4,996,258,938.90
  5. Step 5: Solve for x
    x = 4,996,258,938.90/80,683.82
  6. Step 6: Final answer
    x = 61,923.93

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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.