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Finding the Fourth Proportional to 73,412.80, 110,119.20 and 54,823.30

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Solution

The fourth proportional to 73,412.80, 110,119.20 and 54,823.30 is: 82,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,412.80 : 110,119.20 = 54,823.30 : x
  2. Step 2: Convert to fraction form
    73,412.80/110,119.20 = 54,823.30/x
  3. Step 3: Cross multiply
    73,412.80x = 110,119.20 × 54,823.30
  4. Step 4: Simplify right side
    73,412.80x = 6,037,097,937.36
  5. Step 5: Solve for x
    x = 6,037,097,937.36/73,412.80
  6. Step 6: Final answer
    x = 82,234.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.