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Finding the Fourth Proportional to 481,988.92, 723,129.18 and 166,477.72

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Solution

The fourth proportional to 481,988.92, 723,129.18 and 166,477.72 is: 249,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,988.92 : 723,129.18 = 166,477.72 : x
  2. Step 2: Convert to fraction form
    481,988.92/723,129.18 = 166,477.72/x
  3. Step 3: Cross multiply
    481,988.92x = 723,129.18 × 166,477.72
  4. Step 4: Simplify right side
    481,988.92x = 120,384,897,151.87
  5. Step 5: Solve for x
    x = 120,384,897,151.87/481,988.92
  6. Step 6: Final answer
    x = 249,766.94

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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.