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Finding the Fourth Proportional to 234,647.17, 351,952.38 and 66,160.69

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Solution

The fourth proportional to 234,647.17, 351,952.38 and 66,160.69 is: 99,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,647.17 : 351,952.38 = 66,160.69 : x
  2. Step 2: Convert to fraction form
    234,647.17/351,952.38 = 66,160.69/x
  3. Step 3: Cross multiply
    234,647.17x = 351,952.38 × 66,160.69
  4. Step 4: Simplify right side
    234,647.17x = 23,285,411,977.14
  5. Step 5: Solve for x
    x = 23,285,411,977.14/234,647.17
  6. Step 6: Final answer
    x = 99,235.85

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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.