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Finding the Fourth Proportional to 136,252, 204,289.44 and 65,136.16

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Solution

The fourth proportional to 136,252, 204,289.44 and 65,136.16 is: 97,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,252 : 204,289.44 = 65,136.16 : x
  2. Step 2: Convert to fraction form
    136,252/204,289.44 = 65,136.16/x
  3. Step 3: Cross multiply
    136,252x = 204,289.44 × 65,136.16
  4. Step 4: Simplify right side
    136,252x = 13,306,629,650.15
  5. Step 5: Solve for x
    x = 13,306,629,650.15/136,252
  6. Step 6: Final answer
    x = 97,661.90

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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.