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Finding the Fourth Proportional to 159,294.68, 239,089.71 and 80,464.22

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Solution

The fourth proportional to 159,294.68, 239,089.71 and 80,464.22 is: 120,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,294.68 : 239,089.71 = 80,464.22 : x
  2. Step 2: Convert to fraction form
    159,294.68/239,089.71 = 80,464.22/x
  3. Step 3: Cross multiply
    159,294.68x = 239,089.71 × 80,464.22
  4. Step 4: Simplify right side
    159,294.68x = 19,238,167,025.18
  5. Step 5: Solve for x
    x = 19,238,167,025.18/159,294.68
  6. Step 6: Final answer
    x = 120,770.93

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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.