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Finding the Fourth Proportional to 159,966.54, 220,620.24 and 119,775.96

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Solution

The fourth proportional to 159,966.54, 220,620.24 and 119,775.96 is: 165,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,966.54 : 220,620.24 = 119,775.96 : x
  2. Step 2: Convert to fraction form
    159,966.54/220,620.24 = 119,775.96/x
  3. Step 3: Cross multiply
    159,966.54x = 220,620.24 × 119,775.96
  4. Step 4: Simplify right side
    159,966.54x = 26,425,001,041.43
  5. Step 5: Solve for x
    x = 26,425,001,041.43/159,966.54
  6. Step 6: Final answer
    x = 165,190.80

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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.