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Finding the Fourth Proportional to 158,832.81, 238,061.16 and 69,900.48

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Solution

The fourth proportional to 158,832.81, 238,061.16 and 69,900.48 is: 104,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,832.81 : 238,061.16 = 69,900.48 : x
  2. Step 2: Convert to fraction form
    158,832.81/238,061.16 = 69,900.48/x
  3. Step 3: Cross multiply
    158,832.81x = 238,061.16 × 69,900.48
  4. Step 4: Simplify right side
    158,832.81x = 16,640,589,353.36
  5. Step 5: Solve for x
    x = 16,640,589,353.36/158,832.81
  6. Step 6: Final answer
    x = 104,767.96

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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.