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Finding the Fourth Proportional to 169,448.32, 254,174.32 and 51,120.68

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Solution

The fourth proportional to 169,448.32, 254,174.32 and 51,120.68 is: 76,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,448.32 : 254,174.32 = 51,120.68 : x
  2. Step 2: Convert to fraction form
    169,448.32/254,174.32 = 51,120.68/x
  3. Step 3: Cross multiply
    169,448.32x = 254,174.32 × 51,120.68
  4. Step 4: Simplify right side
    169,448.32x = 12,993,564,076.94
  5. Step 5: Solve for x
    x = 12,993,564,076.94/169,448.32
  6. Step 6: Final answer
    x = 76,681.58

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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.