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Finding the Fourth Proportional to 238,452.51, 357,982.27 and 154,563.71

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Solution

The fourth proportional to 238,452.51, 357,982.27 and 154,563.71 is: 232,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,452.51 : 357,982.27 = 154,563.71 : x
  2. Step 2: Convert to fraction form
    238,452.51/357,982.27 = 154,563.71/x
  3. Step 3: Cross multiply
    238,452.51x = 357,982.27 × 154,563.71
  4. Step 4: Simplify right side
    238,452.51x = 55,331,069,814.61
  5. Step 5: Solve for x
    x = 55,331,069,814.61/238,452.51
  6. Step 6: Final answer
    x = 232,042.30

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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.