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Finding the Fourth Proportional to 218,607.03, 327,510.97 and 158,486.47

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Solution

The fourth proportional to 218,607.03, 327,510.97 and 158,486.47 is: 237,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,607.03 : 327,510.97 = 158,486.47 : x
  2. Step 2: Convert to fraction form
    218,607.03/327,510.97 = 158,486.47/x
  3. Step 3: Cross multiply
    218,607.03x = 327,510.97 × 158,486.47
  4. Step 4: Simplify right side
    218,607.03x = 51,906,056,306.58
  5. Step 5: Solve for x
    x = 51,906,056,306.58/218,607.03
  6. Step 6: Final answer
    x = 237,440.01

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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.