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Finding the Fourth Proportional to 134,425.96, 185,506.38 and 73,995.31

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Solution

The fourth proportional to 134,425.96, 185,506.38 and 73,995.31 is: 102,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,425.96 : 185,506.38 = 73,995.31 : x
  2. Step 2: Convert to fraction form
    134,425.96/185,506.38 = 73,995.31/x
  3. Step 3: Cross multiply
    134,425.96x = 185,506.38 × 73,995.31
  4. Step 4: Simplify right side
    134,425.96x = 13,726,602,095.08
  5. Step 5: Solve for x
    x = 13,726,602,095.08/134,425.96
  6. Step 6: Final answer
    x = 102,112.73

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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.