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Finding the Fourth Proportional to 372,538.94, 558,826.77 and 106,338.65

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Solution

The fourth proportional to 372,538.94, 558,826.77 and 106,338.65 is: 159,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,538.94 : 558,826.77 = 106,338.65 : x
  2. Step 2: Convert to fraction form
    372,538.94/558,826.77 = 106,338.65/x
  3. Step 3: Cross multiply
    372,538.94x = 558,826.77 × 106,338.65
  4. Step 4: Simplify right side
    372,538.94x = 59,424,884,305.66
  5. Step 5: Solve for x
    x = 59,424,884,305.66/372,538.94
  6. Step 6: Final answer
    x = 159,513.22

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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.