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Finding the Fourth Proportional to 581,894.88, 872,843.40 and 161,171.88

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Solution

The fourth proportional to 581,894.88, 872,843.40 and 161,171.88 is: 241,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,894.88 : 872,843.40 = 161,171.88 : x
  2. Step 2: Convert to fraction form
    581,894.88/872,843.40 = 161,171.88/x
  3. Step 3: Cross multiply
    581,894.88x = 872,843.40 × 161,171.88
  4. Step 4: Simplify right side
    581,894.88x = 140,677,811,723.59
  5. Step 5: Solve for x
    x = 140,677,811,723.59/581,894.88
  6. Step 6: Final answer
    x = 241,758.12

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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.