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Finding the Fourth Proportional to 158,730.81, 238,093.59 and 63,958.68

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Solution

The fourth proportional to 158,730.81, 238,093.59 and 63,958.68 is: 95,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,730.81 : 238,093.59 = 63,958.68 : x
  2. Step 2: Convert to fraction form
    158,730.81/238,093.59 = 63,958.68/x
  3. Step 3: Cross multiply
    158,730.81x = 238,093.59 × 63,958.68
  4. Step 4: Simplify right side
    158,730.81x = 15,228,151,972.71
  5. Step 5: Solve for x
    x = 15,228,151,972.71/158,730.81
  6. Step 6: Final answer
    x = 95,936.97

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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.