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Finding the Fourth Proportional to 134,473.85, 185,566.61 and 74,033.03

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Solution

The fourth proportional to 134,473.85, 185,566.61 and 74,033.03 is: 102,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,473.85 : 185,566.61 = 74,033.03 : x
  2. Step 2: Convert to fraction form
    134,473.85/185,566.61 = 74,033.03/x
  3. Step 3: Cross multiply
    134,473.85x = 185,566.61 × 74,033.03
  4. Step 4: Simplify right side
    134,473.85x = 13,738,057,437.04
  5. Step 5: Solve for x
    x = 13,738,057,437.04/134,473.85
  6. Step 6: Final answer
    x = 102,161.56

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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.