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Finding the Fourth Proportional to 105,950.36, 158,940.30 and 56,034

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Solution

The fourth proportional to 105,950.36, 158,940.30 and 56,034 is: 84,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,950.36 : 158,940.30 = 56,034 : x
  2. Step 2: Convert to fraction form
    105,950.36/158,940.30 = 56,034/x
  3. Step 3: Cross multiply
    105,950.36x = 158,940.30 × 56,034
  4. Step 4: Simplify right side
    105,950.36x = 8,906,060,770.20
  5. Step 5: Solve for x
    x = 8,906,060,770.20/105,950.36
  6. Step 6: Final answer
    x = 84,058.81

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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.