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Finding the Fourth Proportional to 100,998.64, 151,504.17 and 41,838.94

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Solution

The fourth proportional to 100,998.64, 151,504.17 and 41,838.94 is: 62,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,998.64 : 151,504.17 = 41,838.94 : x
  2. Step 2: Convert to fraction form
    100,998.64/151,504.17 = 41,838.94/x
  3. Step 3: Cross multiply
    100,998.64x = 151,504.17 × 41,838.94
  4. Step 4: Simplify right side
    100,998.64x = 6,338,773,878.38
  5. Step 5: Solve for x
    x = 6,338,773,878.38/100,998.64
  6. Step 6: Final answer
    x = 62,760.98

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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.