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Finding the Fourth Proportional to 235,286.68, 352,995.90 and 95,143.72

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Solution

The fourth proportional to 235,286.68, 352,995.90 and 95,143.72 is: 142,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,286.68 : 352,995.90 = 95,143.72 : x
  2. Step 2: Convert to fraction form
    235,286.68/352,995.90 = 95,143.72/x
  3. Step 3: Cross multiply
    235,286.68x = 352,995.90 × 95,143.72
  4. Step 4: Simplify right side
    235,286.68x = 33,585,343,070.75
  5. Step 5: Solve for x
    x = 33,585,343,070.75/235,286.68
  6. Step 6: Final answer
    x = 142,742.22

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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.