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Finding the Fourth Proportional to 159,119.62, 238,642.47 and 46,769.78

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Solution

The fourth proportional to 159,119.62, 238,642.47 and 46,769.78 is: 70,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,119.62 : 238,642.47 = 46,769.78 : x
  2. Step 2: Convert to fraction form
    159,119.62/238,642.47 = 46,769.78/x
  3. Step 3: Cross multiply
    159,119.62x = 238,642.47 × 46,769.78
  4. Step 4: Simplify right side
    159,119.62x = 11,161,255,820.56
  5. Step 5: Solve for x
    x = 11,161,255,820.56/159,119.62
  6. Step 6: Final answer
    x = 70,143.81

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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.