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Finding the Fourth Proportional to 92,207.70, 138,279.15 and 33,045.30

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Solution

The fourth proportional to 92,207.70, 138,279.15 and 33,045.30 is: 49,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,207.70 : 138,279.15 = 33,045.30 : x
  2. Step 2: Convert to fraction form
    92,207.70/138,279.15 = 33,045.30/x
  3. Step 3: Cross multiply
    92,207.70x = 138,279.15 × 33,045.30
  4. Step 4: Simplify right side
    92,207.70x = 4,569,475,995.50
  5. Step 5: Solve for x
    x = 4,569,475,995.50/92,207.70
  6. Step 6: Final answer
    x = 49,556.34

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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.