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Finding the Fourth Proportional to 180,010.20, 270,015.30 and 166,888.20

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Solution

The fourth proportional to 180,010.20, 270,015.30 and 166,888.20 is: 250,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,010.20 : 270,015.30 = 166,888.20 : x
  2. Step 2: Convert to fraction form
    180,010.20/270,015.30 = 166,888.20/x
  3. Step 3: Cross multiply
    180,010.20x = 270,015.30 × 166,888.20
  4. Step 4: Simplify right side
    180,010.20x = 45,062,367,389.46
  5. Step 5: Solve for x
    x = 45,062,367,389.46/180,010.20
  6. Step 6: Final answer
    x = 250,332.30

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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.