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Finding the Fourth Proportional to 238,843.16, 329,740.08 and 158,380.04

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Solution

The fourth proportional to 238,843.16, 329,740.08 and 158,380.04 is: 218,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,843.16 : 329,740.08 = 158,380.04 : x
  2. Step 2: Convert to fraction form
    238,843.16/329,740.08 = 158,380.04/x
  3. Step 3: Cross multiply
    238,843.16x = 329,740.08 × 158,380.04
  4. Step 4: Simplify right side
    238,843.16x = 52,224,247,060.00
  5. Step 5: Solve for x
    x = 52,224,247,060.00/238,843.16
  6. Step 6: Final answer
    x = 218,654.98

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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.