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Finding the Fourth Proportional to 158,859.66, 238,236.60 and 64,065.36

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Solution

The fourth proportional to 158,859.66, 238,236.60 and 64,065.36 is: 96,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,859.66 : 238,236.60 = 64,065.36 : x
  2. Step 2: Convert to fraction form
    158,859.66/238,236.60 = 64,065.36/x
  3. Step 3: Cross multiply
    158,859.66x = 238,236.60 × 64,065.36
  4. Step 4: Simplify right side
    158,859.66x = 15,262,713,544.18
  5. Step 5: Solve for x
    x = 15,262,713,544.18/158,859.66
  6. Step 6: Final answer
    x = 96,076.71

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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.