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Finding the Fourth Proportional to 271,181.60, 406,772.40 and 158,818.40

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Solution

The fourth proportional to 271,181.60, 406,772.40 and 158,818.40 is: 238,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,181.60 : 406,772.40 = 158,818.40 : x
  2. Step 2: Convert to fraction form
    271,181.60/406,772.40 = 158,818.40/x
  3. Step 3: Cross multiply
    271,181.60x = 406,772.40 × 158,818.40
  4. Step 4: Simplify right side
    271,181.60x = 64,602,941,732.16
  5. Step 5: Solve for x
    x = 64,602,941,732.16/271,181.60
  6. Step 6: Final answer
    x = 238,227.60

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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.