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Finding the Fourth Proportional to 191,910.84, 264,556.61 and 134,368.82

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Solution

The fourth proportional to 191,910.84, 264,556.61 and 134,368.82 is: 185,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,910.84 : 264,556.61 = 134,368.82 : x
  2. Step 2: Convert to fraction form
    191,910.84/264,556.61 = 134,368.82/x
  3. Step 3: Cross multiply
    191,910.84x = 264,556.61 × 134,368.82
  4. Step 4: Simplify right side
    191,910.84x = 35,548,160,120.46
  5. Step 5: Solve for x
    x = 35,548,160,120.46/191,910.84
  6. Step 6: Final answer
    x = 185,232.68

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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.