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Finding the Fourth Proportional to 158,418.63, 218,686.19 and 94,744.13

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Solution

The fourth proportional to 158,418.63, 218,686.19 and 94,744.13 is: 130,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,418.63 : 218,686.19 = 94,744.13 : x
  2. Step 2: Convert to fraction form
    158,418.63/218,686.19 = 94,744.13/x
  3. Step 3: Cross multiply
    158,418.63x = 218,686.19 × 94,744.13
  4. Step 4: Simplify right side
    158,418.63x = 20,719,231,247.41
  5. Step 5: Solve for x
    x = 20,719,231,247.41/158,418.63
  6. Step 6: Final answer
    x = 130,787.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.