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Finding the Fourth Proportional to 242,614.83, 334,799.59 and 135,179.27

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Solution

The fourth proportional to 242,614.83, 334,799.59 and 135,179.27 is: 186,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,614.83 : 334,799.59 = 135,179.27 : x
  2. Step 2: Convert to fraction form
    242,614.83/334,799.59 = 135,179.27/x
  3. Step 3: Cross multiply
    242,614.83x = 334,799.59 × 135,179.27
  4. Step 4: Simplify right side
    242,614.83x = 45,257,964,172.50
  5. Step 5: Solve for x
    x = 45,257,964,172.50/242,614.83
  6. Step 6: Final answer
    x = 186,542.45

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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.