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Finding the Fourth Proportional to 99,735.17, 137,622.16 and 60,992.47

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Solution

The fourth proportional to 99,735.17, 137,622.16 and 60,992.47 is: 84,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,735.17 : 137,622.16 = 60,992.47 : x
  2. Step 2: Convert to fraction form
    99,735.17/137,622.16 = 60,992.47/x
  3. Step 3: Cross multiply
    99,735.17x = 137,622.16 × 60,992.47
  4. Step 4: Simplify right side
    99,735.17x = 8,393,915,465.14
  5. Step 5: Solve for x
    x = 8,393,915,465.14/99,735.17
  6. Step 6: Final answer
    x = 84,162.04

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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.