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Finding the Fourth Proportional to 134,673.56, 185,844.73 and 73,418.49

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Solution

The fourth proportional to 134,673.56, 185,844.73 and 73,418.49 is: 101,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,673.56 : 185,844.73 = 73,418.49 : x
  2. Step 2: Convert to fraction form
    134,673.56/185,844.73 = 73,418.49/x
  3. Step 3: Cross multiply
    134,673.56x = 185,844.73 × 73,418.49
  4. Step 4: Simplify right side
    134,673.56x = 13,644,439,267.51
  5. Step 5: Solve for x
    x = 13,644,439,267.51/134,673.56
  6. Step 6: Final answer
    x = 101,314.91

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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.