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Finding the Fourth Proportional to 136,468.70, 204,703.05 and 101,039.30

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Solution

The fourth proportional to 136,468.70, 204,703.05 and 101,039.30 is: 151,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,468.70 : 204,703.05 = 101,039.30 : x
  2. Step 2: Convert to fraction form
    136,468.70/204,703.05 = 101,039.30/x
  3. Step 3: Cross multiply
    136,468.70x = 204,703.05 × 101,039.30
  4. Step 4: Simplify right side
    136,468.70x = 20,683,052,879.87
  5. Step 5: Solve for x
    x = 20,683,052,879.87/136,468.70
  6. Step 6: Final answer
    x = 151,558.95

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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.