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Finding the Fourth Proportional to 103,227.80, 154,841.70 and 33,114.20

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Solution

The fourth proportional to 103,227.80, 154,841.70 and 33,114.20 is: 49,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,227.80 : 154,841.70 = 33,114.20 : x
  2. Step 2: Convert to fraction form
    103,227.80/154,841.70 = 33,114.20/x
  3. Step 3: Cross multiply
    103,227.80x = 154,841.70 × 33,114.20
  4. Step 4: Simplify right side
    103,227.80x = 5,127,459,022.14
  5. Step 5: Solve for x
    x = 5,127,459,022.14/103,227.80
  6. Step 6: Final answer
    x = 49,671.30

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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.