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Finding the Fourth Proportional to 83,279.44, 114,923.88 and 45,552.40

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Solution

The fourth proportional to 83,279.44, 114,923.88 and 45,552.40 is: 62,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,279.44 : 114,923.88 = 45,552.40 : x
  2. Step 2: Convert to fraction form
    83,279.44/114,923.88 = 45,552.40/x
  3. Step 3: Cross multiply
    83,279.44x = 114,923.88 × 45,552.40
  4. Step 4: Simplify right side
    83,279.44x = 5,235,058,551.31
  5. Step 5: Solve for x
    x = 5,235,058,551.31/83,279.44
  6. Step 6: Final answer
    x = 62,861.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.