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Finding the Fourth Proportional to 271,702.78, 374,951.21 and 169,787.48

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Solution

The fourth proportional to 271,702.78, 374,951.21 and 169,787.48 is: 234,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,702.78 : 374,951.21 = 169,787.48 : x
  2. Step 2: Convert to fraction form
    271,702.78/374,951.21 = 169,787.48/x
  3. Step 3: Cross multiply
    271,702.78x = 374,951.21 × 169,787.48
  4. Step 4: Simplify right side
    271,702.78x = 63,662,018,345.16
  5. Step 5: Solve for x
    x = 63,662,018,345.16/271,702.78
  6. Step 6: Final answer
    x = 234,307.57

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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.