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Finding the Fourth Proportional to 180,515.52, 270,816.48 and 55,856.52

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Solution

The fourth proportional to 180,515.52, 270,816.48 and 55,856.52 is: 83,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,515.52 : 270,816.48 = 55,856.52 : x
  2. Step 2: Convert to fraction form
    180,515.52/270,816.48 = 55,856.52/x
  3. Step 3: Cross multiply
    180,515.52x = 270,816.48 × 55,856.52
  4. Step 4: Simplify right side
    180,515.52x = 15,126,866,131.45
  5. Step 5: Solve for x
    x = 15,126,866,131.45/180,515.52
  6. Step 6: Final answer
    x = 83,798.15

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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.