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Finding the Fourth Proportional to 169,798.38, 254,814.53 and 69,958.72

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Solution

The fourth proportional to 169,798.38, 254,814.53 and 69,958.72 is: 104,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,798.38 : 254,814.53 = 69,958.72 : x
  2. Step 2: Convert to fraction form
    169,798.38/254,814.53 = 69,958.72/x
  3. Step 3: Cross multiply
    169,798.38x = 254,814.53 × 69,958.72
  4. Step 4: Simplify right side
    169,798.38x = 17,826,498,324.93
  5. Step 5: Solve for x
    x = 17,826,498,324.93/169,798.38
  6. Step 6: Final answer
    x = 104,986.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.