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Finding the Fourth Proportional to 80,673.64, 111,330.74 and 44,866.84

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Solution

The fourth proportional to 80,673.64, 111,330.74 and 44,866.84 is: 61,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,673.64 : 111,330.74 = 44,866.84 : x
  2. Step 2: Convert to fraction form
    80,673.64/111,330.74 = 44,866.84/x
  3. Step 3: Cross multiply
    80,673.64x = 111,330.74 × 44,866.84
  4. Step 4: Simplify right side
    80,673.64x = 4,995,058,498.66
  5. Step 5: Solve for x
    x = 4,995,058,498.66/80,673.64
  6. Step 6: Final answer
    x = 61,916.86

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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.