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Finding the Fourth Proportional to 96,321.30, 144,703.62 and 68,310.60

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Solution

The fourth proportional to 96,321.30, 144,703.62 and 68,310.60 is: 102,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,321.30 : 144,703.62 = 68,310.60 : x
  2. Step 2: Convert to fraction form
    96,321.30/144,703.62 = 68,310.60/x
  3. Step 3: Cross multiply
    96,321.30x = 144,703.62 × 68,310.60
  4. Step 4: Simplify right side
    96,321.30x = 9,884,791,104.37
  5. Step 5: Solve for x
    x = 9,884,791,104.37/96,321.30
  6. Step 6: Final answer
    x = 102,623.11

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1.5x scale

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.