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Finding the Fourth Proportional to 216,752.40, 325,128.60 and 180,010.80

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Solution

The fourth proportional to 216,752.40, 325,128.60 and 180,010.80 is: 270,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,752.40 : 325,128.60 = 180,010.80 : x
  2. Step 2: Convert to fraction form
    216,752.40/325,128.60 = 180,010.80/x
  3. Step 3: Cross multiply
    216,752.40x = 325,128.60 × 180,010.80
  4. Step 4: Simplify right side
    216,752.40x = 58,526,659,388.88
  5. Step 5: Solve for x
    x = 58,526,659,388.88/216,752.40
  6. Step 6: Final answer
    x = 270,016.20

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1.5x scale

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.