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Finding the Fourth Proportional to 238,248.72, 328,563.72 and 161,882.28

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Solution

The fourth proportional to 238,248.72, 328,563.72 and 161,882.28 is: 223,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,248.72 : 328,563.72 = 161,882.28 : x
  2. Step 2: Convert to fraction form
    238,248.72/328,563.72 = 161,882.28/x
  3. Step 3: Cross multiply
    238,248.72x = 328,563.72 × 161,882.28
  4. Step 4: Simplify right side
    238,248.72x = 53,188,644,118.88
  5. Step 5: Solve for x
    x = 53,188,644,118.88/238,248.72
  6. Step 6: Final answer
    x = 223,248.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.