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Finding the Fourth Proportional to 110,469.44, 152,448 and 60,168.64

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Solution

The fourth proportional to 110,469.44, 152,448 and 60,168.64 is: 83,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,469.44 : 152,448 = 60,168.64 : x
  2. Step 2: Convert to fraction form
    110,469.44/152,448 = 60,168.64/x
  3. Step 3: Cross multiply
    110,469.44x = 152,448 × 60,168.64
  4. Step 4: Simplify right side
    110,469.44x = 9,172,588,830.72
  5. Step 5: Solve for x
    x = 9,172,588,830.72/110,469.44
  6. Step 6: Final answer
    x = 83,032.82

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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.