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Finding the Fourth Proportional to 123,716.40, 185,574.60 and 92,223.60

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Solution

The fourth proportional to 123,716.40, 185,574.60 and 92,223.60 is: 138,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,716.40 : 185,574.60 = 92,223.60 : x
  2. Step 2: Convert to fraction form
    123,716.40/185,574.60 = 92,223.60/x
  3. Step 3: Cross multiply
    123,716.40x = 185,574.60 × 92,223.60
  4. Step 4: Simplify right side
    123,716.40x = 17,114,357,680.56
  5. Step 5: Solve for x
    x = 17,114,357,680.56/123,716.40
  6. Step 6: Final answer
    x = 138,335.40

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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.