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Finding the Fourth Proportional to 159,502.76, 239,289.18 and 47,174.22

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Solution

The fourth proportional to 159,502.76, 239,289.18 and 47,174.22 is: 70,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,502.76 : 239,289.18 = 47,174.22 : x
  2. Step 2: Convert to fraction form
    159,502.76/239,289.18 = 47,174.22/x
  3. Step 3: Cross multiply
    159,502.76x = 239,289.18 × 47,174.22
  4. Step 4: Simplify right side
    159,502.76x = 11,288,280,420.94
  5. Step 5: Solve for x
    x = 11,288,280,420.94/159,502.76
  6. Step 6: Final answer
    x = 70,771.69

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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.