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Finding the Fourth Proportional to 83,999.70, 126,010.35 and 41,901.30

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Solution

The fourth proportional to 83,999.70, 126,010.35 and 41,901.30 is: 62,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.70 : 126,010.35 = 41,901.30 : x
  2. Step 2: Convert to fraction form
    83,999.70/126,010.35 = 41,901.30/x
  3. Step 3: Cross multiply
    83,999.70x = 126,010.35 × 41,901.30
  4. Step 4: Simplify right side
    83,999.70x = 5,279,997,478.46
  5. Step 5: Solve for x
    x = 5,279,997,478.46/83,999.70
  6. Step 6: Final answer
    x = 62,857.34

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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.