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Finding the Fourth Proportional to 144,687.60, 216,901.80 and 94,791.60

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Solution

The fourth proportional to 144,687.60, 216,901.80 and 94,791.60 is: 142,102.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,687.60 : 216,901.80 = 94,791.60 : x
  2. Step 2: Convert to fraction form
    144,687.60/216,901.80 = 94,791.60/x
  3. Step 3: Cross multiply
    144,687.60x = 216,901.80 × 94,791.60
  4. Step 4: Simplify right side
    144,687.60x = 20,560,468,664.88
  5. Step 5: Solve for x
    x = 20,560,468,664.88/144,687.60
  6. Step 6: Final answer
    x = 142,102.49

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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.