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Finding the Fourth Proportional to 71,847.40, 107,820.06 and 25,100.20

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Solution

The fourth proportional to 71,847.40, 107,820.06 and 25,100.20 is: 37,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,847.40 : 107,820.06 = 25,100.20 : x
  2. Step 2: Convert to fraction form
    71,847.40/107,820.06 = 25,100.20/x
  3. Step 3: Cross multiply
    71,847.40x = 107,820.06 × 25,100.20
  4. Step 4: Simplify right side
    71,847.40x = 2,706,305,070.01
  5. Step 5: Solve for x
    x = 2,706,305,070.01/71,847.40
  6. Step 6: Final answer
    x = 37,667.40

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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.