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Finding the Fourth Proportional to 182,117.80, 273,030.90 and 76,850.20

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Solution

The fourth proportional to 182,117.80, 273,030.90 and 76,850.20 is: 115,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,117.80 : 273,030.90 = 76,850.20 : x
  2. Step 2: Convert to fraction form
    182,117.80/273,030.90 = 76,850.20/x
  3. Step 3: Cross multiply
    182,117.80x = 273,030.90 × 76,850.20
  4. Step 4: Simplify right side
    182,117.80x = 20,982,479,271.18
  5. Step 5: Solve for x
    x = 20,982,479,271.18/182,117.80
  6. Step 6: Final answer
    x = 115,213.78

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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.