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Finding the Fourth Proportional to 159,685.56, 239,487.47 and 47,339.51

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Solution

The fourth proportional to 159,685.56, 239,487.47 and 47,339.51 is: 70,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,685.56 : 239,487.47 = 47,339.51 : x
  2. Step 2: Convert to fraction form
    159,685.56/239,487.47 = 47,339.51/x
  3. Step 3: Cross multiply
    159,685.56x = 239,487.47 × 47,339.51
  4. Step 4: Simplify right side
    159,685.56x = 11,337,218,224.33
  5. Step 5: Solve for x
    x = 11,337,218,224.33/159,685.56
  6. Step 6: Final answer
    x = 70,997.14

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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.