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Finding the Fourth Proportional to 251,298.14, 346,793.72 and 136,577.07

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Solution

The fourth proportional to 251,298.14, 346,793.72 and 136,577.07 is: 188,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,298.14 : 346,793.72 = 136,577.07 : x
  2. Step 2: Convert to fraction form
    251,298.14/346,793.72 = 136,577.07/x
  3. Step 3: Cross multiply
    251,298.14x = 346,793.72 × 136,577.07
  4. Step 4: Simplify right side
    251,298.14x = 47,364,072,230.78
  5. Step 5: Solve for x
    x = 47,364,072,230.78/251,298.14
  6. Step 6: Final answer
    x = 188,477.61

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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.