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Finding the Fourth Proportional to 159,831.53, 239,720.56 and 58,608.66

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Solution

The fourth proportional to 159,831.53, 239,720.56 and 58,608.66 is: 87,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831.53 : 239,720.56 = 58,608.66 : x
  2. Step 2: Convert to fraction form
    159,831.53/239,720.56 = 58,608.66/x
  3. Step 3: Cross multiply
    159,831.53x = 239,720.56 × 58,608.66
  4. Step 4: Simplify right side
    159,831.53x = 14,049,700,649.53
  5. Step 5: Solve for x
    x = 14,049,700,649.53/159,831.53
  6. Step 6: Final answer
    x = 87,903.19

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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.