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Finding the Fourth Proportional to 191,387.76, 264,162 and 148,282

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Solution

The fourth proportional to 191,387.76, 264,162 and 148,282 is: 204,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,387.76 : 264,162 = 148,282 : x
  2. Step 2: Convert to fraction form
    191,387.76/264,162 = 148,282/x
  3. Step 3: Cross multiply
    191,387.76x = 264,162 × 148,282
  4. Step 4: Simplify right side
    191,387.76x = 39,170,469,684
  5. Step 5: Solve for x
    x = 39,170,469,684/191,387.76
  6. Step 6: Final answer
    x = 204,665.49

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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.