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Finding the Fourth Proportional to 104,696.15, 157,134.90 and 54,811.14

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Solution

The fourth proportional to 104,696.15, 157,134.90 and 54,811.14 is: 82,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,696.15 : 157,134.90 = 54,811.14 : x
  2. Step 2: Convert to fraction form
    104,696.15/157,134.90 = 54,811.14/x
  3. Step 3: Cross multiply
    104,696.15x = 157,134.90 × 54,811.14
  4. Step 4: Simplify right side
    104,696.15x = 8,612,743,002.79
  5. Step 5: Solve for x
    x = 8,612,743,002.79/104,696.15
  6. Step 6: Final answer
    x = 82,264.18

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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.