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Finding the Fourth Proportional to 235,282.68, 352,939.38 and 172,291.32

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Solution

The fourth proportional to 235,282.68, 352,939.38 and 172,291.32 is: 258,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,282.68 : 352,939.38 = 172,291.32 : x
  2. Step 2: Convert to fraction form
    235,282.68/352,939.38 = 172,291.32/x
  3. Step 3: Cross multiply
    235,282.68x = 352,939.38 × 172,291.32
  4. Step 4: Simplify right side
    235,282.68x = 60,808,393,188.62
  5. Step 5: Solve for x
    x = 60,808,393,188.62/235,282.68
  6. Step 6: Final answer
    x = 258,448.23

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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.