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Finding the Fourth Proportional to 79,553.93, 119,549.61 and 74,352.51

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Solution

The fourth proportional to 79,553.93, 119,549.61 and 74,352.51 is: 111,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,553.93 : 119,549.61 = 74,352.51 : x
  2. Step 2: Convert to fraction form
    79,553.93/119,549.61 = 74,352.51/x
  3. Step 3: Cross multiply
    79,553.93x = 119,549.61 × 74,352.51
  4. Step 4: Simplify right side
    79,553.93x = 8,888,813,573.02
  5. Step 5: Solve for x
    x = 8,888,813,573.02/79,553.93
  6. Step 6: Final answer
    x = 111,733.19

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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.