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Finding the Fourth Proportional to 67,406.45, 101,110.10 and 29,957.72

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Solution

The fourth proportional to 67,406.45, 101,110.10 and 29,957.72 is: 44,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,406.45 : 101,110.10 = 29,957.72 : x
  2. Step 2: Convert to fraction form
    67,406.45/101,110.10 = 29,957.72/x
  3. Step 3: Cross multiply
    67,406.45x = 101,110.10 × 29,957.72
  4. Step 4: Simplify right side
    67,406.45x = 3,029,027,409.63
  5. Step 5: Solve for x
    x = 3,029,027,409.63/67,406.45
  6. Step 6: Final answer
    x = 44,936.76

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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.