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Finding the Fourth Proportional to 251,602.64, 347,214.39 and 136,881.93

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Solution

The fourth proportional to 251,602.64, 347,214.39 and 136,881.93 is: 188,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,602.64 : 347,214.39 = 136,881.93 : x
  2. Step 2: Convert to fraction form
    251,602.64/347,214.39 = 136,881.93/x
  3. Step 3: Cross multiply
    251,602.64x = 347,214.39 × 136,881.93
  4. Step 4: Simplify right side
    251,602.64x = 47,527,375,826.97
  5. Step 5: Solve for x
    x = 47,527,375,826.97/251,602.64
  6. Step 6: Final answer
    x = 188,898.56

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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.