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Finding the Fourth Proportional to 93,569, 140,377.82 and 27,905

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Solution

The fourth proportional to 93,569, 140,377.82 and 27,905 is: 41,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,569 : 140,377.82 = 27,905 : x
  2. Step 2: Convert to fraction form
    93,569/140,377.82 = 27,905/x
  3. Step 3: Cross multiply
    93,569x = 140,377.82 × 27,905
  4. Step 4: Simplify right side
    93,569x = 3,917,243,067.10
  5. Step 5: Solve for x
    x = 3,917,243,067.10/93,569
  6. Step 6: Final answer
    x = 41,864.75

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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.