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Finding the Fourth Proportional to 316,963.53, 475,467.17 and 92,325.83

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Solution

The fourth proportional to 316,963.53, 475,467.17 and 92,325.83 is: 138,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,963.53 : 475,467.17 = 92,325.83 : x
  2. Step 2: Convert to fraction form
    316,963.53/475,467.17 = 92,325.83/x
  3. Step 3: Cross multiply
    316,963.53x = 475,467.17 × 92,325.83
  4. Step 4: Simplify right side
    316,963.53x = 43,897,898,269.04
  5. Step 5: Solve for x
    x = 43,897,898,269.04/316,963.53
  6. Step 6: Final answer
    x = 138,495.11

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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.