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Finding the Fourth Proportional to 340,812.28, 511,061.91 and 116,081.29

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Solution

The fourth proportional to 340,812.28, 511,061.91 and 116,081.29 is: 174,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,812.28 : 511,061.91 = 116,081.29 : x
  2. Step 2: Convert to fraction form
    340,812.28/511,061.91 = 116,081.29/x
  3. Step 3: Cross multiply
    340,812.28x = 511,061.91 × 116,081.29
  4. Step 4: Simplify right side
    340,812.28x = 59,324,725,782.66
  5. Step 5: Solve for x
    x = 59,324,725,782.66/340,812.28
  6. Step 6: Final answer
    x = 174,068.63

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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.