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Finding the Fourth Proportional to 134,389.44, 185,451.84 and 73,954.44

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Solution

The fourth proportional to 134,389.44, 185,451.84 and 73,954.44 is: 102,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,389.44 : 185,451.84 = 73,954.44 : x
  2. Step 2: Convert to fraction form
    134,389.44/185,451.84 = 73,954.44/x
  3. Step 3: Cross multiply
    134,389.44x = 185,451.84 × 73,954.44
  4. Step 4: Simplify right side
    134,389.44x = 13,714,986,974.17
  5. Step 5: Solve for x
    x = 13,714,986,974.17/134,389.44
  6. Step 6: Final answer
    x = 102,054.05

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Why These Related Problems?

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