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Finding the Fourth Proportional to 83,355.87, 124,980.48 and 36,001.83

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Solution

The fourth proportional to 83,355.87, 124,980.48 and 36,001.83 is: 53,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,355.87 : 124,980.48 = 36,001.83 : x
  2. Step 2: Convert to fraction form
    83,355.87/124,980.48 = 36,001.83/x
  3. Step 3: Cross multiply
    83,355.87x = 124,980.48 × 36,001.83
  4. Step 4: Simplify right side
    83,355.87x = 4,499,525,994.28
  5. Step 5: Solve for x
    x = 4,499,525,994.28/83,355.87
  6. Step 6: Final answer
    x = 53,979.71

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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.