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Finding the Fourth Proportional to 104,843.20, 157,264.80 and 97,844.80

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Solution

The fourth proportional to 104,843.20, 157,264.80 and 97,844.80 is: 146,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,843.20 : 157,264.80 = 97,844.80 : x
  2. Step 2: Convert to fraction form
    104,843.20/157,264.80 = 97,844.80/x
  3. Step 3: Cross multiply
    104,843.20x = 157,264.80 × 97,844.80
  4. Step 4: Simplify right side
    104,843.20x = 15,387,542,903.04
  5. Step 5: Solve for x
    x = 15,387,542,903.04/104,843.20
  6. Step 6: Final answer
    x = 146,767.20

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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.