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Finding the Fourth Proportional to 165,627.50, 248,480.40 and 54,819.50

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Solution

The fourth proportional to 165,627.50, 248,480.40 and 54,819.50 is: 82,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,627.50 : 248,480.40 = 54,819.50 : x
  2. Step 2: Convert to fraction form
    165,627.50/248,480.40 = 54,819.50/x
  3. Step 3: Cross multiply
    165,627.50x = 248,480.40 × 54,819.50
  4. Step 4: Simplify right side
    165,627.50x = 13,621,571,287.80
  5. Step 5: Solve for x
    x = 13,621,571,287.80/165,627.50
  6. Step 6: Final answer
    x = 82,242.21

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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.