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Finding the Fourth Proportional to 91,796.68, 137,701.26 and 29,463.40

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Solution

The fourth proportional to 91,796.68, 137,701.26 and 29,463.40 is: 44,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,796.68 : 137,701.26 = 29,463.40 : x
  2. Step 2: Convert to fraction form
    91,796.68/137,701.26 = 29,463.40/x
  3. Step 3: Cross multiply
    91,796.68x = 137,701.26 × 29,463.40
  4. Step 4: Simplify right side
    91,796.68x = 4,057,147,303.88
  5. Step 5: Solve for x
    x = 4,057,147,303.88/91,796.68
  6. Step 6: Final answer
    x = 44,197.10

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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.