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Finding the Fourth Proportional to 285,750.30, 428,625.39 and 96,194.76

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Solution

The fourth proportional to 285,750.30, 428,625.39 and 96,194.76 is: 144,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,750.30 : 428,625.39 = 96,194.76 : x
  2. Step 2: Convert to fraction form
    285,750.30/428,625.39 = 96,194.76/x
  3. Step 3: Cross multiply
    285,750.30x = 428,625.39 × 96,194.76
  4. Step 4: Simplify right side
    285,750.30x = 41,231,516,520.96
  5. Step 5: Solve for x
    x = 41,231,516,520.96/285,750.30
  6. Step 6: Final answer
    x = 144,292.12

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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.