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Finding the Fourth Proportional to 136,323.30, 204,047.55 and 96,957.30

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Solution

The fourth proportional to 136,323.30, 204,047.55 and 96,957.30 is: 145,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,323.30 : 204,047.55 = 96,957.30 : x
  2. Step 2: Convert to fraction form
    136,323.30/204,047.55 = 96,957.30/x
  3. Step 3: Cross multiply
    136,323.30x = 204,047.55 × 96,957.30
  4. Step 4: Simplify right side
    136,323.30x = 19,783,899,519.62
  5. Step 5: Solve for x
    x = 19,783,899,519.62/136,323.30
  6. Step 6: Final answer
    x = 145,124.86

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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.