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Finding the Fourth Proportional to 333,920.32, 500,867.52 and 134,180.80

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Solution

The fourth proportional to 333,920.32, 500,867.52 and 134,180.80 is: 201,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,920.32 : 500,867.52 = 134,180.80 : x
  2. Step 2: Convert to fraction form
    333,920.32/500,867.52 = 134,180.80/x
  3. Step 3: Cross multiply
    333,920.32x = 500,867.52 × 134,180.80
  4. Step 4: Simplify right side
    333,920.32x = 67,206,804,527.62
  5. Step 5: Solve for x
    x = 67,206,804,527.62/333,920.32
  6. Step 6: Final answer
    x = 201,265.99

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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.