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Finding the Fourth Proportional to 242,612.41, 334,806.45 and 140,698.29

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Solution

The fourth proportional to 242,612.41, 334,806.45 and 140,698.29 is: 194,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,612.41 : 334,806.45 = 140,698.29 : x
  2. Step 2: Convert to fraction form
    242,612.41/334,806.45 = 140,698.29/x
  3. Step 3: Cross multiply
    242,612.41x = 334,806.45 × 140,698.29
  4. Step 4: Simplify right side
    242,612.41x = 47,106,694,995.97
  5. Step 5: Solve for x
    x = 47,106,694,995.97/242,612.41
  6. Step 6: Final answer
    x = 194,164.41

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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.