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Finding the Fourth Proportional to 104,694.80, 144,497.16 and 62,277.20

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Solution

The fourth proportional to 104,694.80, 144,497.16 and 62,277.20 is: 85,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,694.80 : 144,497.16 = 62,277.20 : x
  2. Step 2: Convert to fraction form
    104,694.80/144,497.16 = 62,277.20/x
  3. Step 3: Cross multiply
    104,694.80x = 144,497.16 × 62,277.20
  4. Step 4: Simplify right side
    104,694.80x = 8,998,878,532.75
  5. Step 5: Solve for x
    x = 8,998,878,532.75/104,694.80
  6. Step 6: Final answer
    x = 85,953.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.