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Finding the Fourth Proportional to 91,652.47, 137,478.77 and 25,093.15

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Solution

The fourth proportional to 91,652.47, 137,478.77 and 25,093.15 is: 37,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,652.47 : 137,478.77 = 25,093.15 : x
  2. Step 2: Convert to fraction form
    91,652.47/137,478.77 = 25,093.15/x
  3. Step 3: Cross multiply
    91,652.47x = 137,478.77 × 25,093.15
  4. Step 4: Simplify right side
    91,652.47x = 3,449,774,584.57
  5. Step 5: Solve for x
    x = 3,449,774,584.57/91,652.47
  6. Step 6: Final answer
    x = 37,639.74

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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.