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Finding the Fourth Proportional to 372,069.69, 558,107.55 and 119,350.53

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Solution

The fourth proportional to 372,069.69, 558,107.55 and 119,350.53 is: 179,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,069.69 : 558,107.55 = 119,350.53 : x
  2. Step 2: Convert to fraction form
    372,069.69/558,107.55 = 119,350.53/x
  3. Step 3: Cross multiply
    372,069.69x = 558,107.55 × 119,350.53
  4. Step 4: Simplify right side
    372,069.69x = 66,610,431,889.50
  5. Step 5: Solve for x
    x = 66,610,431,889.50/372,069.69
  6. Step 6: Final answer
    x = 179,026.76

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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.