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Finding the Fourth Proportional to 234,087.66, 351,151.74 and 65,610.90

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Solution

The fourth proportional to 234,087.66, 351,151.74 and 65,610.90 is: 98,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,087.66 : 351,151.74 = 65,610.90 : x
  2. Step 2: Convert to fraction form
    234,087.66/351,151.74 = 65,610.90/x
  3. Step 3: Cross multiply
    234,087.66x = 351,151.74 × 65,610.90
  4. Step 4: Simplify right side
    234,087.66x = 23,039,381,697.97
  5. Step 5: Solve for x
    x = 23,039,381,697.97/234,087.66
  6. Step 6: Final answer
    x = 98,422.03

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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.