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Finding the Fourth Proportional to 214,991.67, 322,526.28 and 88,562.90

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Solution

The fourth proportional to 214,991.67, 322,526.28 and 88,562.90 is: 132,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,991.67 : 322,526.28 = 88,562.90 : x
  2. Step 2: Convert to fraction form
    214,991.67/322,526.28 = 88,562.90/x
  3. Step 3: Cross multiply
    214,991.67x = 322,526.28 × 88,562.90
  4. Step 4: Simplify right side
    214,991.67x = 28,563,861,070.38
  5. Step 5: Solve for x
    x = 28,563,861,070.38/214,991.67
  6. Step 6: Final answer
    x = 132,860.32

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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.