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Finding the Fourth Proportional to 587,969.13, 881,951.99 and 161,505.37

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Solution

The fourth proportional to 587,969.13, 881,951.99 and 161,505.37 is: 242,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,969.13 : 881,951.99 = 161,505.37 : x
  2. Step 2: Convert to fraction form
    587,969.13/881,951.99 = 161,505.37/x
  3. Step 3: Cross multiply
    587,969.13x = 881,951.99 × 161,505.37
  4. Step 4: Simplify right side
    587,969.13x = 142,439,977,801.12
  5. Step 5: Solve for x
    x = 142,439,977,801.12/587,969.13
  6. Step 6: Final answer
    x = 242,257.58

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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.