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Finding the Fourth Proportional to 83,319.50, 114,980.92 and 45,593.76

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Solution

The fourth proportional to 83,319.50, 114,980.92 and 45,593.76 is: 62,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,319.50 : 114,980.92 = 45,593.76 : x
  2. Step 2: Convert to fraction form
    83,319.50/114,980.92 = 45,593.76/x
  3. Step 3: Cross multiply
    83,319.50x = 114,980.92 × 45,593.76
  4. Step 4: Simplify right side
    83,319.50x = 5,242,412,471.06
  5. Step 5: Solve for x
    x = 5,242,412,471.06/83,319.50
  6. Step 6: Final answer
    x = 62,919.39

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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.