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Finding the Fourth Proportional to 333,766.66, 500,761.78 and 109,137.46

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Solution

The fourth proportional to 333,766.66, 500,761.78 and 109,137.46 is: 163,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,766.66 : 500,761.78 = 109,137.46 : x
  2. Step 2: Convert to fraction form
    333,766.66/500,761.78 = 109,137.46/x
  3. Step 3: Cross multiply
    333,766.66x = 500,761.78 × 109,137.46
  4. Step 4: Simplify right side
    333,766.66x = 54,651,868,734.28
  5. Step 5: Solve for x
    x = 54,651,868,734.28/333,766.66
  6. Step 6: Final answer
    x = 163,742.74

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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.