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Finding the Fourth Proportional to 234,653.87, 351,772.06 and 84,860.86

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Solution

The fourth proportional to 234,653.87, 351,772.06 and 84,860.86 is: 127,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,653.87 : 351,772.06 = 84,860.86 : x
  2. Step 2: Convert to fraction form
    234,653.87/351,772.06 = 84,860.86/x
  3. Step 3: Cross multiply
    234,653.87x = 351,772.06 × 84,860.86
  4. Step 4: Simplify right side
    234,653.87x = 29,851,678,777.63
  5. Step 5: Solve for x
    x = 29,851,678,777.63/234,653.87
  6. Step 6: Final answer
    x = 127,215.79

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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.