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Finding the Fourth Proportional to 371,751.98, 557,314.47 and 161,231.36

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Solution

The fourth proportional to 371,751.98, 557,314.47 and 161,231.36 is: 241,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,751.98 : 557,314.47 = 161,231.36 : x
  2. Step 2: Convert to fraction form
    371,751.98/557,314.47 = 161,231.36/x
  3. Step 3: Cross multiply
    371,751.98x = 557,314.47 × 161,231.36
  4. Step 4: Simplify right side
    371,751.98x = 89,856,567,159.21
  5. Step 5: Solve for x
    x = 89,856,567,159.21/371,751.98
  6. Step 6: Final answer
    x = 241,711.07

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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.