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Finding the Fourth Proportional to 107,929.80, 161,894.70 and 96,654.60

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Solution

The fourth proportional to 107,929.80, 161,894.70 and 96,654.60 is: 144,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,929.80 : 161,894.70 = 96,654.60 : x
  2. Step 2: Convert to fraction form
    107,929.80/161,894.70 = 96,654.60/x
  3. Step 3: Cross multiply
    107,929.80x = 161,894.70 × 96,654.60
  4. Step 4: Simplify right side
    107,929.80x = 15,647,867,470.62
  5. Step 5: Solve for x
    x = 15,647,867,470.62/107,929.80
  6. Step 6: Final answer
    x = 144,981.90

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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.