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Finding the Fourth Proportional to 275,201.80, 412,802.70 and 88,232.20

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Solution

The fourth proportional to 275,201.80, 412,802.70 and 88,232.20 is: 132,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,201.80 : 412,802.70 = 88,232.20 : x
  2. Step 2: Convert to fraction form
    275,201.80/412,802.70 = 88,232.20/x
  3. Step 3: Cross multiply
    275,201.80x = 412,802.70 × 88,232.20
  4. Step 4: Simplify right side
    275,201.80x = 36,422,490,386.94
  5. Step 5: Solve for x
    x = 36,422,490,386.94/275,201.80
  6. Step 6: Final answer
    x = 132,348.30

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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.