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Finding the Fourth Proportional to 218,060.60, 327,026.10 and 84,864.20

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Solution

The fourth proportional to 218,060.60, 327,026.10 and 84,864.20 is: 127,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,060.60 : 327,026.10 = 84,864.20 : x
  2. Step 2: Convert to fraction form
    218,060.60/327,026.10 = 84,864.20/x
  3. Step 3: Cross multiply
    218,060.60x = 327,026.10 × 84,864.20
  4. Step 4: Simplify right side
    218,060.60x = 27,752,808,355.62
  5. Step 5: Solve for x
    x = 27,752,808,355.62/218,060.60
  6. Step 6: Final answer
    x = 127,271.08

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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.