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Finding the Fourth Proportional to 162,044.70, 243,067.05 and 83,166.90

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Solution

The fourth proportional to 162,044.70, 243,067.05 and 83,166.90 is: 124,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,044.70 : 243,067.05 = 83,166.90 : x
  2. Step 2: Convert to fraction form
    162,044.70/243,067.05 = 83,166.90/x
  3. Step 3: Cross multiply
    162,044.70x = 243,067.05 × 83,166.90
  4. Step 4: Simplify right side
    162,044.70x = 20,215,133,040.65
  5. Step 5: Solve for x
    x = 20,215,133,040.65/162,044.70
  6. Step 6: Final answer
    x = 124,750.35

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Similar ratio
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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.