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Finding the Fourth Proportional to 214,988.67, 322,521.78 and 88,559.90

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Solution

The fourth proportional to 214,988.67, 322,521.78 and 88,559.90 is: 132,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,988.67 : 322,521.78 = 88,559.90 : x
  2. Step 2: Convert to fraction form
    214,988.67/322,521.78 = 88,559.90/x
  3. Step 3: Cross multiply
    214,988.67x = 322,521.78 × 88,559.90
  4. Step 4: Simplify right side
    214,988.67x = 28,562,494,972.01
  5. Step 5: Solve for x
    x = 28,562,494,972.01/214,988.67
  6. Step 6: Final answer
    x = 132,855.82

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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.