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Finding the Fourth Proportional to 83,220.66, 114,844.97 and 45,494.91

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Solution

The fourth proportional to 83,220.66, 114,844.97 and 45,494.91 is: 62,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,220.66 : 114,844.97 = 45,494.91 : x
  2. Step 2: Convert to fraction form
    83,220.66/114,844.97 = 45,494.91/x
  3. Step 3: Cross multiply
    83,220.66x = 114,844.97 × 45,494.91
  4. Step 4: Simplify right side
    83,220.66x = 5,224,861,346.63
  5. Step 5: Solve for x
    x = 5,224,861,346.63/83,220.66
  6. Step 6: Final answer
    x = 62,783.22

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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.