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Finding the Fourth Proportional to 238,394.61, 329,016.06 and 153,757.71

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Solution

The fourth proportional to 238,394.61, 329,016.06 and 153,757.71 is: 212,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,394.61 : 329,016.06 = 153,757.71 : x
  2. Step 2: Convert to fraction form
    238,394.61/329,016.06 = 153,757.71/x
  3. Step 3: Cross multiply
    238,394.61x = 329,016.06 × 153,757.71
  4. Step 4: Simplify right side
    238,394.61x = 50,588,755,938.82
  5. Step 5: Solve for x
    x = 50,588,755,938.82/238,394.61
  6. Step 6: Final answer
    x = 212,205.96

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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.