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Finding the Fourth Proportional to 91,738.60, 123,453.45 and 91,738.60

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Solution

The fourth proportional to 91,738.60, 123,453.45 and 91,738.60 is: 123,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,738.60 : 123,453.45 = 91,738.60 : x
  2. Step 2: Convert to fraction form
    91,738.60/123,453.45 = 91,738.60/x
  3. Step 3: Cross multiply
    91,738.60x = 123,453.45 × 91,738.60
  4. Step 4: Simplify right side
    91,738.60x = 11,325,446,668.17
  5. Step 5: Solve for x
    x = 11,325,446,668.17/91,738.60
  6. Step 6: Final answer
    x = 123,453.45

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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.