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Finding the Fourth Proportional to 268,010.65, 401,930.61 and 88,054.30

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Solution

The fourth proportional to 268,010.65, 401,930.61 and 88,054.30 is: 132,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,010.65 : 401,930.61 = 88,054.30 : x
  2. Step 2: Convert to fraction form
    268,010.65/401,930.61 = 88,054.30/x
  3. Step 3: Cross multiply
    268,010.65x = 401,930.61 × 88,054.30
  4. Step 4: Simplify right side
    268,010.65x = 35,391,718,512.12
  5. Step 5: Solve for x
    x = 35,391,718,512.12/268,010.65
  6. Step 6: Final answer
    x = 132,053.40

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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.