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Finding the Fourth Proportional to 450,281.39, 675,687.27 and 166,171.87

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Solution

The fourth proportional to 450,281.39, 675,687.27 and 166,171.87 is: 249,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,281.39 : 675,687.27 = 166,171.87 : x
  2. Step 2: Convert to fraction form
    450,281.39/675,687.27 = 166,171.87/x
  3. Step 3: Cross multiply
    450,281.39x = 675,687.27 × 166,171.87
  4. Step 4: Simplify right side
    450,281.39x = 112,280,214,858.11
  5. Step 5: Solve for x
    x = 112,280,214,858.11/450,281.39
  6. Step 6: Final answer
    x = 249,355.66

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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.