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Finding the Fourth Proportional to 316,717.05, 475,121.94 and 92,048.29

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Solution

The fourth proportional to 316,717.05, 475,121.94 and 92,048.29 is: 138,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,717.05 : 475,121.94 = 92,048.29 : x
  2. Step 2: Convert to fraction form
    316,717.05/475,121.94 = 92,048.29/x
  3. Step 3: Cross multiply
    316,717.05x = 475,121.94 × 92,048.29
  4. Step 4: Simplify right side
    316,717.05x = 43,734,162,118.48
  5. Step 5: Solve for x
    x = 43,734,162,118.48/316,717.05
  6. Step 6: Final answer
    x = 138,085.91

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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.