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Finding the Fourth Proportional to 102,408.91, 153,683.02 and 62,845.27

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Solution

The fourth proportional to 102,408.91, 153,683.02 and 62,845.27 is: 94,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,408.91 : 153,683.02 = 62,845.27 : x
  2. Step 2: Convert to fraction form
    102,408.91/153,683.02 = 62,845.27/x
  3. Step 3: Cross multiply
    102,408.91x = 153,683.02 × 62,845.27
  4. Step 4: Simplify right side
    102,408.91x = 9,658,250,117.90
  5. Step 5: Solve for x
    x = 9,658,250,117.90/102,408.91
  6. Step 6: Final answer
    x = 94,310.65

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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.