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Finding the Fourth Proportional to 271,246.52, 406,869.80 and 105,034.52

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Solution

The fourth proportional to 271,246.52, 406,869.80 and 105,034.52 is: 157,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,246.52 : 406,869.80 = 105,034.52 : x
  2. Step 2: Convert to fraction form
    271,246.52/406,869.80 = 105,034.52/x
  3. Step 3: Cross multiply
    271,246.52x = 406,869.80 × 105,034.52
  4. Step 4: Simplify right side
    271,246.52x = 42,735,374,145.50
  5. Step 5: Solve for x
    x = 42,735,374,145.50/271,246.52
  6. Step 6: Final answer
    x = 157,551.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.