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Finding the Fourth Proportional to 242,149.05, 334,165.69 and 134,719.06

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Solution

The fourth proportional to 242,149.05, 334,165.69 and 134,719.06 is: 185,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,149.05 : 334,165.69 = 134,719.06 : x
  2. Step 2: Convert to fraction form
    242,149.05/334,165.69 = 134,719.06/x
  3. Step 3: Cross multiply
    242,149.05x = 334,165.69 × 134,719.06
  4. Step 4: Simplify right side
    242,149.05x = 45,018,486,471.31
  5. Step 5: Solve for x
    x = 45,018,486,471.31/242,149.05
  6. Step 6: Final answer
    x = 185,912.30

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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.