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Finding the Fourth Proportional to 333,764.91, 500,759.15 and 109,135.71

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Solution

The fourth proportional to 333,764.91, 500,759.15 and 109,135.71 is: 163,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,764.91 : 500,759.15 = 109,135.71 : x
  2. Step 2: Convert to fraction form
    333,764.91/500,759.15 = 109,135.71/x
  3. Step 3: Cross multiply
    333,764.91x = 500,759.15 × 109,135.71
  4. Step 4: Simplify right side
    333,764.91x = 54,650,704,828.57
  5. Step 5: Solve for x
    x = 54,650,704,828.57/333,764.91
  6. Step 6: Final answer
    x = 163,740.12

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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.