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Finding the Fourth Proportional to 180,283.20, 270,449.10 and 61,990.80

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Solution

The fourth proportional to 180,283.20, 270,449.10 and 61,990.80 is: 92,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,283.20 : 270,449.10 = 61,990.80 : x
  2. Step 2: Convert to fraction form
    180,283.20/270,449.10 = 61,990.80/x
  3. Step 3: Cross multiply
    180,283.20x = 270,449.10 × 61,990.80
  4. Step 4: Simplify right side
    180,283.20x = 16,765,356,068.28
  5. Step 5: Solve for x
    x = 16,765,356,068.28/180,283.20
  6. Step 6: Final answer
    x = 92,994.56

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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.