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Finding the Fourth Proportional to 104,898.26, 157,361.12 and 38,369.72

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Solution

The fourth proportional to 104,898.26, 157,361.12 and 38,369.72 is: 57,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,898.26 : 157,361.12 = 38,369.72 : x
  2. Step 2: Convert to fraction form
    104,898.26/157,361.12 = 38,369.72/x
  3. Step 3: Cross multiply
    104,898.26x = 157,361.12 × 38,369.72
  4. Step 4: Simplify right side
    104,898.26x = 6,037,902,113.29
  5. Step 5: Solve for x
    x = 6,037,902,113.29/104,898.26
  6. Step 6: Final answer
    x = 57,559.60

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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.