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Finding the Fourth Proportional to 188,219.52, 259,644.96 and 152,449.92

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Solution

The fourth proportional to 188,219.52, 259,644.96 and 152,449.92 is: 210,301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,219.52 : 259,644.96 = 152,449.92 : x
  2. Step 2: Convert to fraction form
    188,219.52/259,644.96 = 152,449.92/x
  3. Step 3: Cross multiply
    188,219.52x = 259,644.96 × 152,449.92
  4. Step 4: Simplify right side
    188,219.52x = 39,582,853,380.40
  5. Step 5: Solve for x
    x = 39,582,853,380.40/188,219.52
  6. Step 6: Final answer
    x = 210,301.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.