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Finding the Fourth Proportional to 80,226.40, 110,713.80 and 43,931.04

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Solution

The fourth proportional to 80,226.40, 110,713.80 and 43,931.04 is: 60,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,226.40 : 110,713.80 = 43,931.04 : x
  2. Step 2: Convert to fraction form
    80,226.40/110,713.80 = 43,931.04/x
  3. Step 3: Cross multiply
    80,226.40x = 110,713.80 × 43,931.04
  4. Step 4: Simplify right side
    80,226.40x = 4,863,772,376.35
  5. Step 5: Solve for x
    x = 4,863,772,376.35/80,226.40
  6. Step 6: Final answer
    x = 60,625.58

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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.