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Finding the Fourth Proportional to 371,599.72, 557,398.38 and 105,362.44

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Solution

The fourth proportional to 371,599.72, 557,398.38 and 105,362.44 is: 158,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,599.72 : 557,398.38 = 105,362.44 : x
  2. Step 2: Convert to fraction form
    371,599.72/557,398.38 = 105,362.44/x
  3. Step 3: Cross multiply
    371,599.72x = 557,398.38 × 105,362.44
  4. Step 4: Simplify right side
    371,599.72x = 58,728,853,368.85
  5. Step 5: Solve for x
    x = 58,728,853,368.85/371,599.72
  6. Step 6: Final answer
    x = 158,043.32

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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.