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Finding the Fourth Proportional to 144,952.70, 217,537.05 and 74,795.90

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Solution

The fourth proportional to 144,952.70, 217,537.05 and 74,795.90 is: 112,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,952.70 : 217,537.05 = 74,795.90 : x
  2. Step 2: Convert to fraction form
    144,952.70/217,537.05 = 74,795.90/x
  3. Step 3: Cross multiply
    144,952.70x = 217,537.05 × 74,795.90
  4. Step 4: Simplify right side
    144,952.70x = 16,270,879,438.10
  5. Step 5: Solve for x
    x = 16,270,879,438.10/144,952.70
  6. Step 6: Final answer
    x = 112,249.58

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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.