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Finding the Fourth Proportional to 159,850.83, 220,673.98 and 99,441.11

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Solution

The fourth proportional to 159,850.83, 220,673.98 and 99,441.11 is: 137,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,850.83 : 220,673.98 = 99,441.11 : x
  2. Step 2: Convert to fraction form
    159,850.83/220,673.98 = 99,441.11/x
  3. Step 3: Cross multiply
    159,850.83x = 220,673.98 × 99,441.11
  4. Step 4: Simplify right side
    159,850.83x = 21,944,065,519.32
  5. Step 5: Solve for x
    x = 21,944,065,519.32/159,850.83
  6. Step 6: Final answer
    x = 137,278.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.