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Finding the Fourth Proportional to 91,412.03, 137,135.22 and 41,495.64

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Solution

The fourth proportional to 91,412.03, 137,135.22 and 41,495.64 is: 62,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,412.03 : 137,135.22 = 41,495.64 : x
  2. Step 2: Convert to fraction form
    91,412.03/137,135.22 = 41,495.64/x
  3. Step 3: Cross multiply
    91,412.03x = 137,135.22 × 41,495.64
  4. Step 4: Simplify right side
    91,412.03x = 5,690,513,050.58
  5. Step 5: Solve for x
    x = 5,690,513,050.58/91,412.03
  6. Step 6: Final answer
    x = 62,251.25

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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.