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Finding the Fourth Proportional to 371,901.52, 557,537.88 and 161,380.24

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Solution

The fourth proportional to 371,901.52, 557,537.88 and 161,380.24 is: 241,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,901.52 : 557,537.88 = 161,380.24 : x
  2. Step 2: Convert to fraction form
    371,901.52/557,537.88 = 161,380.24/x
  3. Step 3: Cross multiply
    371,901.52x = 557,537.88 × 161,380.24
  4. Step 4: Simplify right side
    371,901.52x = 89,975,596,883.49
  5. Step 5: Solve for x
    x = 89,975,596,883.49/371,901.52
  6. Step 6: Final answer
    x = 241,933.93

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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.