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Finding the Fourth Proportional to 158,389.44, 237,564.35 and 51,764.48

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Solution

The fourth proportional to 158,389.44, 237,564.35 and 51,764.48 is: 77,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,389.44 : 237,564.35 = 51,764.48 : x
  2. Step 2: Convert to fraction form
    158,389.44/237,564.35 = 51,764.48/x
  3. Step 3: Cross multiply
    158,389.44x = 237,564.35 × 51,764.48
  4. Step 4: Simplify right side
    158,389.44x = 12,297,394,320.97
  5. Step 5: Solve for x
    x = 12,297,394,320.97/158,389.44
  6. Step 6: Final answer
    x = 77,640.24

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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.