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Finding the Fourth Proportional to 159,502.40, 239,234.40 and 65,998.40

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Solution

The fourth proportional to 159,502.40, 239,234.40 and 65,998.40 is: 98,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,502.40 : 239,234.40 = 65,998.40 : x
  2. Step 2: Convert to fraction form
    159,502.40/239,234.40 = 65,998.40/x
  3. Step 3: Cross multiply
    159,502.40x = 239,234.40 × 65,998.40
  4. Step 4: Simplify right side
    159,502.40x = 15,789,087,624.96
  5. Step 5: Solve for x
    x = 15,789,087,624.96/159,502.40
  6. Step 6: Final answer
    x = 98,989.66

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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.