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Finding the Fourth Proportional to 60,738.50, 83,705.63 and 43,713.19

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Solution

The fourth proportional to 60,738.50, 83,705.63 and 43,713.19 is: 60,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,738.50 : 83,705.63 = 43,713.19 : x
  2. Step 2: Convert to fraction form
    60,738.50/83,705.63 = 43,713.19/x
  3. Step 3: Cross multiply
    60,738.50x = 83,705.63 × 43,713.19
  4. Step 4: Simplify right side
    60,738.50x = 3,659,040,108.26
  5. Step 5: Solve for x
    x = 3,659,040,108.26/60,738.50
  6. Step 6: Final answer
    x = 60,242.52

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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.