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Finding the Fourth Proportional to 235,260.12, 352,691.80 and 102,040.04

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Solution

The fourth proportional to 235,260.12, 352,691.80 and 102,040.04 is: 152,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,260.12 : 352,691.80 = 102,040.04 : x
  2. Step 2: Convert to fraction form
    235,260.12/352,691.80 = 102,040.04/x
  3. Step 3: Cross multiply
    235,260.12x = 352,691.80 × 102,040.04
  4. Step 4: Simplify right side
    235,260.12x = 35,988,686,580.28
  5. Step 5: Solve for x
    x = 35,988,686,580.28/235,260.12
  6. Step 6: Final answer
    x = 152,974.02

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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.