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Finding the Fourth Proportional to 98,797.88, 148,209 and 32,220.20

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Solution

The fourth proportional to 98,797.88, 148,209 and 32,220.20 is: 48,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,797.88 : 148,209 = 32,220.20 : x
  2. Step 2: Convert to fraction form
    98,797.88/148,209 = 32,220.20/x
  3. Step 3: Cross multiply
    98,797.88x = 148,209 × 32,220.20
  4. Step 4: Simplify right side
    98,797.88x = 4,775,323,621.80
  5. Step 5: Solve for x
    x = 4,775,323,621.80/98,797.88
  6. Step 6: Final answer
    x = 48,334.27

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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.