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Finding the Fourth Proportional to 91,762.87, 137,617.87 and 25,205.17

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Solution

The fourth proportional to 91,762.87, 137,617.87 and 25,205.17 is: 37,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,762.87 : 137,617.87 = 25,205.17 : x
  2. Step 2: Convert to fraction form
    91,762.87/137,617.87 = 25,205.17/x
  3. Step 3: Cross multiply
    91,762.87x = 137,617.87 × 25,205.17
  4. Step 4: Simplify right side
    91,762.87x = 3,468,681,808.39
  5. Step 5: Solve for x
    x = 3,468,681,808.39/91,762.87
  6. Step 6: Final answer
    x = 37,800.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.