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Finding the Fourth Proportional to 159,308.24, 239,109.96 and 80,477.96

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Solution

The fourth proportional to 159,308.24, 239,109.96 and 80,477.96 is: 120,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,308.24 : 239,109.96 = 80,477.96 : x
  2. Step 2: Convert to fraction form
    159,308.24/239,109.96 = 80,477.96/x
  3. Step 3: Cross multiply
    159,308.24x = 239,109.96 × 80,477.96
  4. Step 4: Simplify right side
    159,308.24x = 19,243,081,796.48
  5. Step 5: Solve for x
    x = 19,243,081,796.48/159,308.24
  6. Step 6: Final answer
    x = 120,791.50

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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.