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Finding the Fourth Proportional to 269,552.48, 404,475.12 and 111,889.28

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Solution

The fourth proportional to 269,552.48, 404,475.12 and 111,889.28 is: 167,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,552.48 : 404,475.12 = 111,889.28 : x
  2. Step 2: Convert to fraction form
    269,552.48/404,475.12 = 111,889.28/x
  3. Step 3: Cross multiply
    269,552.48x = 404,475.12 × 111,889.28
  4. Step 4: Simplify right side
    269,552.48x = 45,256,429,954.71
  5. Step 5: Solve for x
    x = 45,256,429,954.71/269,552.48
  6. Step 6: Final answer
    x = 167,894.69

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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.