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Finding the Fourth Proportional to 83,329.66, 124,994.83 and 20,149.68

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Solution

The fourth proportional to 83,329.66, 124,994.83 and 20,149.68 is: 30,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,329.66 : 124,994.83 = 20,149.68 : x
  2. Step 2: Convert to fraction form
    83,329.66/124,994.83 = 20,149.68/x
  3. Step 3: Cross multiply
    83,329.66x = 124,994.83 × 20,149.68
  4. Step 4: Simplify right side
    83,329.66x = 2,518,605,826.15
  5. Step 5: Solve for x
    x = 2,518,605,826.15/83,329.66
  6. Step 6: Final answer
    x = 30,224.60

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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.