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Finding the Fourth Proportional to 108,992.45, 150,410.37 and 59,934.93

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Solution

The fourth proportional to 108,992.45, 150,410.37 and 59,934.93 is: 82,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,992.45 : 150,410.37 = 59,934.93 : x
  2. Step 2: Convert to fraction form
    108,992.45/150,410.37 = 59,934.93/x
  3. Step 3: Cross multiply
    108,992.45x = 150,410.37 × 59,934.93
  4. Step 4: Simplify right side
    108,992.45x = 9,014,834,657.94
  5. Step 5: Solve for x
    x = 9,014,834,657.94/108,992.45
  6. Step 6: Final answer
    x = 82,710.64

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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.