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Finding the Fourth Proportional to 60,361.80, 83,249.04 and 45,287.91

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Solution

The fourth proportional to 60,361.80, 83,249.04 and 45,287.91 is: 62,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,361.80 : 83,249.04 = 45,287.91 : x
  2. Step 2: Convert to fraction form
    60,361.80/83,249.04 = 45,287.91/x
  3. Step 3: Cross multiply
    60,361.80x = 83,249.04 × 45,287.91
  4. Step 4: Simplify right side
    60,361.80x = 3,770,175,031.11
  5. Step 5: Solve for x
    x = 3,770,175,031.11/60,361.80
  6. Step 6: Final answer
    x = 62,459.62

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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.