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Finding the Fourth Proportional to 100,788.96, 151,072.88 and 41,594.08

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Solution

The fourth proportional to 100,788.96, 151,072.88 and 41,594.08 is: 62,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,788.96 : 151,072.88 = 41,594.08 : x
  2. Step 2: Convert to fraction form
    100,788.96/151,072.88 = 41,594.08/x
  3. Step 3: Cross multiply
    100,788.96x = 151,072.88 × 41,594.08
  4. Step 4: Simplify right side
    100,788.96x = 6,283,737,456.55
  5. Step 5: Solve for x
    x = 6,283,737,456.55/100,788.96
  6. Step 6: Final answer
    x = 62,345.49

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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.