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Finding the Fourth Proportional to 80,155.54, 110,614.71 and 48,316.06

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Solution

The fourth proportional to 80,155.54, 110,614.71 and 48,316.06 is: 66,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,155.54 : 110,614.71 = 48,316.06 : x
  2. Step 2: Convert to fraction form
    80,155.54/110,614.71 = 48,316.06/x
  3. Step 3: Cross multiply
    80,155.54x = 110,614.71 × 48,316.06
  4. Step 4: Simplify right side
    80,155.54x = 5,344,466,965.24
  5. Step 5: Solve for x
    x = 5,344,466,965.24/80,155.54
  6. Step 6: Final answer
    x = 66,676.20

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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.