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Finding the Fourth Proportional to 269,807.51, 404,712.49 and 70,113.75

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Solution

The fourth proportional to 269,807.51, 404,712.49 and 70,113.75 is: 105,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,807.51 : 404,712.49 = 70,113.75 : x
  2. Step 2: Convert to fraction form
    269,807.51/404,712.49 = 70,113.75/x
  3. Step 3: Cross multiply
    269,807.51x = 404,712.49 × 70,113.75
  4. Step 4: Simplify right side
    269,807.51x = 28,375,910,345.74
  5. Step 5: Solve for x
    x = 28,375,910,345.74/269,807.51
  6. Step 6: Final answer
    x = 105,170.94

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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.