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Finding the Fourth Proportional to 104,903.76, 157,369.38 and 38,375.22

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Solution

The fourth proportional to 104,903.76, 157,369.38 and 38,375.22 is: 57,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,903.76 : 157,369.38 = 38,375.22 : x
  2. Step 2: Convert to fraction form
    104,903.76/157,369.38 = 38,375.22/x
  3. Step 3: Cross multiply
    104,903.76x = 157,369.38 × 38,375.22
  4. Step 4: Simplify right side
    104,903.76x = 6,039,084,578.76
  5. Step 5: Solve for x
    x = 6,039,084,578.76/104,903.76
  6. Step 6: Final answer
    x = 57,567.86

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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.