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Finding the Fourth Proportional to 169,134.72, 253,681.92 and 44,485.44

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Solution

The fourth proportional to 169,134.72, 253,681.92 and 44,485.44 is: 66,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,134.72 : 253,681.92 = 44,485.44 : x
  2. Step 2: Convert to fraction form
    169,134.72/253,681.92 = 44,485.44/x
  3. Step 3: Cross multiply
    169,134.72x = 253,681.92 × 44,485.44
  4. Step 4: Simplify right side
    169,134.72x = 11,285,151,831.24
  5. Step 5: Solve for x
    x = 11,285,151,831.24/169,134.72
  6. Step 6: Final answer
    x = 66,722.86

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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.