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Finding the Fourth Proportional to 91,468.36, 137,218.86 and 32,338.36

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Solution

The fourth proportional to 91,468.36, 137,218.86 and 32,338.36 is: 48,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,468.36 : 137,218.86 = 32,338.36 : x
  2. Step 2: Convert to fraction form
    91,468.36/137,218.86 = 32,338.36/x
  3. Step 3: Cross multiply
    91,468.36x = 137,218.86 × 32,338.36
  4. Step 4: Simplify right side
    91,468.36x = 4,437,432,893.47
  5. Step 5: Solve for x
    x = 4,437,432,893.47/91,468.36
  6. Step 6: Final answer
    x = 48,513.31

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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.