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Finding the Fourth Proportional to 165,891.60, 248,563.80 and 95,648.40

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Solution

The fourth proportional to 165,891.60, 248,563.80 and 95,648.40 is: 143,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,891.60 : 248,563.80 = 95,648.40 : x
  2. Step 2: Convert to fraction form
    165,891.60/248,563.80 = 95,648.40/x
  3. Step 3: Cross multiply
    165,891.60x = 248,563.80 × 95,648.40
  4. Step 4: Simplify right side
    165,891.60x = 23,774,729,767.92
  5. Step 5: Solve for x
    x = 23,774,729,767.92/165,891.60
  6. Step 6: Final answer
    x = 143,314.85

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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.