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Finding the Fourth Proportional to 91,954.42, 137,933.36 and 25,396.32

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Solution

The fourth proportional to 91,954.42, 137,933.36 and 25,396.32 is: 38,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,954.42 : 137,933.36 = 25,396.32 : x
  2. Step 2: Convert to fraction form
    91,954.42/137,933.36 = 25,396.32/x
  3. Step 3: Cross multiply
    91,954.42x = 137,933.36 × 25,396.32
  4. Step 4: Simplify right side
    91,954.42x = 3,502,999,601.72
  5. Step 5: Solve for x
    x = 3,502,999,601.72/91,954.42
  6. Step 6: Final answer
    x = 38,094.95

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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.