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Finding the Fourth Proportional to 60,255, 90,414.02 and 43,751.36

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Solution

The fourth proportional to 60,255, 90,414.02 and 43,751.36 is: 65,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,255 : 90,414.02 = 43,751.36 : x
  2. Step 2: Convert to fraction form
    60,255/90,414.02 = 43,751.36/x
  3. Step 3: Cross multiply
    60,255x = 90,414.02 × 43,751.36
  4. Step 4: Simplify right side
    60,255x = 3,955,735,667.24
  5. Step 5: Solve for x
    x = 3,955,735,667.24/60,255
  6. Step 6: Final answer
    x = 65,649.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.