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Finding the Fourth Proportional to 321,806.07, 482,693.42 and 119,441.57

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Solution

The fourth proportional to 321,806.07, 482,693.42 and 119,441.57 is: 179,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,806.07 : 482,693.42 = 119,441.57 : x
  2. Step 2: Convert to fraction form
    321,806.07/482,693.42 = 119,441.57/x
  3. Step 3: Cross multiply
    321,806.07x = 482,693.42 × 119,441.57
  4. Step 4: Simplify right side
    321,806.07x = 57,653,657,500.00
  5. Step 5: Solve for x
    x = 57,653,657,500.00/321,806.07
  6. Step 6: Final answer
    x = 179,156.53

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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.