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Finding the Fourth Proportional to 80,060.36, 110,426.08 and 61,164.68

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Solution

The fourth proportional to 80,060.36, 110,426.08 and 61,164.68 is: 84,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060.36 : 110,426.08 = 61,164.68 : x
  2. Step 2: Convert to fraction form
    80,060.36/110,426.08 = 61,164.68/x
  3. Step 3: Cross multiply
    80,060.36x = 110,426.08 × 61,164.68
  4. Step 4: Simplify right side
    80,060.36x = 6,754,175,846.85
  5. Step 5: Solve for x
    x = 6,754,175,846.85/80,060.36
  6. Step 6: Final answer
    x = 84,363.55

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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.