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Finding the Fourth Proportional to 333,776.92, 500,696.16 and 109,138.51

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Solution

The fourth proportional to 333,776.92, 500,696.16 and 109,138.51 is: 163,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,776.92 : 500,696.16 = 109,138.51 : x
  2. Step 2: Convert to fraction form
    333,776.92/500,696.16 = 109,138.51/x
  3. Step 3: Cross multiply
    333,776.92x = 500,696.16 × 109,138.51
  4. Step 4: Simplify right side
    333,776.92x = 54,645,229,815.95
  5. Step 5: Solve for x
    x = 54,645,229,815.95/333,776.92
  6. Step 6: Final answer
    x = 163,717.82

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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.