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Finding the Fourth Proportional to 109,282.80, 163,924.20 and 95,458.80

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Solution

The fourth proportional to 109,282.80, 163,924.20 and 95,458.80 is: 143,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,282.80 : 163,924.20 = 95,458.80 : x
  2. Step 2: Convert to fraction form
    109,282.80/163,924.20 = 95,458.80/x
  3. Step 3: Cross multiply
    109,282.80x = 163,924.20 × 95,458.80
  4. Step 4: Simplify right side
    109,282.80x = 15,648,007,422.96
  5. Step 5: Solve for x
    x = 15,648,007,422.96/109,282.80
  6. Step 6: Final answer
    x = 143,188.20

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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.