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Finding the Fourth Proportional to 251,253.39, 346,731.84 and 136,532.01

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Solution

The fourth proportional to 251,253.39, 346,731.84 and 136,532.01 is: 188,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,253.39 : 346,731.84 = 136,532.01 : x
  2. Step 2: Convert to fraction form
    251,253.39/346,731.84 = 136,532.01/x
  3. Step 3: Cross multiply
    251,253.39x = 346,731.84 × 136,532.01
  4. Step 4: Simplify right side
    251,253.39x = 47,339,995,046.20
  5. Step 5: Solve for x
    x = 47,339,995,046.20/251,253.39
  6. Step 6: Final answer
    x = 188,415.35

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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.