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Finding the Fourth Proportional to 89,993.66, 124,193.10 and 54,176.06

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Solution

The fourth proportional to 89,993.66, 124,193.10 and 54,176.06 is: 74,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,993.66 : 124,193.10 = 54,176.06 : x
  2. Step 2: Convert to fraction form
    89,993.66/124,193.10 = 54,176.06/x
  3. Step 3: Cross multiply
    89,993.66x = 124,193.10 × 54,176.06
  4. Step 4: Simplify right side
    89,993.66x = 6,728,292,216.22
  5. Step 5: Solve for x
    x = 6,728,292,216.22/89,993.66
  6. Step 6: Final answer
    x = 74,764.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.