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Finding the Fourth Proportional to 100,891.94, 151,302.42 and 29,795.60

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Solution

The fourth proportional to 100,891.94, 151,302.42 and 29,795.60 is: 44,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,891.94 : 151,302.42 = 29,795.60 : x
  2. Step 2: Convert to fraction form
    100,891.94/151,302.42 = 29,795.60/x
  3. Step 3: Cross multiply
    100,891.94x = 151,302.42 × 29,795.60
  4. Step 4: Simplify right side
    100,891.94x = 4,508,146,385.35
  5. Step 5: Solve for x
    x = 4,508,146,385.35/100,891.94
  6. Step 6: Final answer
    x = 44,682.92

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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.