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Finding the Fourth Proportional to 144,651.84, 217,012.40 and 60,365.12

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Solution

The fourth proportional to 144,651.84, 217,012.40 and 60,365.12 is: 90,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,651.84 : 217,012.40 = 60,365.12 : x
  2. Step 2: Convert to fraction form
    144,651.84/217,012.40 = 60,365.12/x
  3. Step 3: Cross multiply
    144,651.84x = 217,012.40 × 60,365.12
  4. Step 4: Simplify right side
    144,651.84x = 13,099,978,180.60
  5. Step 5: Solve for x
    x = 13,099,978,180.60/144,651.84
  6. Step 6: Final answer
    x = 90,562.13

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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.