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Finding the Fourth Proportional to 333,321.61, 500,079.24 and 120,085.47

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Solution

The fourth proportional to 333,321.61, 500,079.24 and 120,085.47 is: 180,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,321.61 : 500,079.24 = 120,085.47 : x
  2. Step 2: Convert to fraction form
    333,321.61/500,079.24 = 120,085.47/x
  3. Step 3: Cross multiply
    333,321.61x = 500,079.24 × 120,085.47
  4. Step 4: Simplify right side
    333,321.61x = 60,052,250,572.64
  5. Step 5: Solve for x
    x = 60,052,250,572.64/333,321.61
  6. Step 6: Final answer
    x = 180,163.09

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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.