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Finding the Fourth Proportional to 238,404.33, 329,003.91 and 130,981.32

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Solution

The fourth proportional to 238,404.33, 329,003.91 and 130,981.32 is: 180,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,404.33 : 329,003.91 = 130,981.32 : x
  2. Step 2: Convert to fraction form
    238,404.33/329,003.91 = 130,981.32/x
  3. Step 3: Cross multiply
    238,404.33x = 329,003.91 × 130,981.32
  4. Step 4: Simplify right side
    238,404.33x = 43,093,366,416.96
  5. Step 5: Solve for x
    x = 43,093,366,416.96/238,404.33
  6. Step 6: Final answer
    x = 180,757.48

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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.