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Finding the Fourth Proportional to 268,863.80, 403,356.46 and 88,948.80

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Solution

The fourth proportional to 268,863.80, 403,356.46 and 88,948.80 is: 133,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,863.80 : 403,356.46 = 88,948.80 : x
  2. Step 2: Convert to fraction form
    268,863.80/403,356.46 = 88,948.80/x
  3. Step 3: Cross multiply
    268,863.80x = 403,356.46 × 88,948.80
  4. Step 4: Simplify right side
    268,863.80x = 35,878,073,089.25
  5. Step 5: Solve for x
    x = 35,878,073,089.25/268,863.80
  6. Step 6: Final answer
    x = 133,443.30

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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.