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Finding the Fourth Proportional to 71,133.40, 106,559.70 and 36,098.20

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Solution

The fourth proportional to 71,133.40, 106,559.70 and 36,098.20 is: 54,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,133.40 : 106,559.70 = 36,098.20 : x
  2. Step 2: Convert to fraction form
    71,133.40/106,559.70 = 36,098.20/x
  3. Step 3: Cross multiply
    71,133.40x = 106,559.70 × 36,098.20
  4. Step 4: Simplify right side
    71,133.40x = 3,846,613,362.54
  5. Step 5: Solve for x
    x = 3,846,613,362.54/71,133.40
  6. Step 6: Final answer
    x = 54,076.05

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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.