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Finding the Fourth Proportional to 587,884.87, 881,732.92 and 161,321.08

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Solution

The fourth proportional to 587,884.87, 881,732.92 and 161,321.08 is: 241,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,884.87 : 881,732.92 = 161,321.08 : x
  2. Step 2: Convert to fraction form
    587,884.87/881,732.92 = 161,321.08/x
  3. Step 3: Cross multiply
    587,884.87x = 881,732.92 × 161,321.08
  4. Step 4: Simplify right side
    587,884.87x = 142,242,106,522.65
  5. Step 5: Solve for x
    x = 142,242,106,522.65/587,884.87
  6. Step 6: Final answer
    x = 241,955.72

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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.