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Finding the Fourth Proportional to 144,476.54, 216,660.92 and 49,679.92

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Solution

The fourth proportional to 144,476.54, 216,660.92 and 49,679.92 is: 74,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,476.54 : 216,660.92 = 49,679.92 : x
  2. Step 2: Convert to fraction form
    144,476.54/216,660.92 = 49,679.92/x
  3. Step 3: Cross multiply
    144,476.54x = 216,660.92 × 49,679.92
  4. Step 4: Simplify right side
    144,476.54x = 10,763,697,172.73
  5. Step 5: Solve for x
    x = 10,763,697,172.73/144,476.54
  6. Step 6: Final answer
    x = 74,501.35

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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.