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Finding the Fourth Proportional to 242,087, 334,080.06 and 136,103

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Solution

The fourth proportional to 242,087, 334,080.06 and 136,103 is: 187,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,087 : 334,080.06 = 136,103 : x
  2. Step 2: Convert to fraction form
    242,087/334,080.06 = 136,103/x
  3. Step 3: Cross multiply
    242,087x = 334,080.06 × 136,103
  4. Step 4: Simplify right side
    242,087x = 45,469,298,406.18
  5. Step 5: Solve for x
    x = 45,469,298,406.18/242,087
  6. Step 6: Final answer
    x = 187,822.14

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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.