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Finding the Fourth Proportional to 79,603.70, 119,309.42 and 35,180.06

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Solution

The fourth proportional to 79,603.70, 119,309.42 and 35,180.06 is: 52,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,603.70 : 119,309.42 = 35,180.06 : x
  2. Step 2: Convert to fraction form
    79,603.70/119,309.42 = 35,180.06/x
  3. Step 3: Cross multiply
    79,603.70x = 119,309.42 × 35,180.06
  4. Step 4: Simplify right side
    79,603.70x = 4,197,312,554.17
  5. Step 5: Solve for x
    x = 4,197,312,554.17/79,603.70
  6. Step 6: Final answer
    x = 52,727.61

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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.