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Finding the Fourth Proportional to 103,014.91, 154,587.37 and 43,850.49

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Solution

The fourth proportional to 103,014.91, 154,587.37 and 43,850.49 is: 65,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,014.91 : 154,587.37 = 43,850.49 : x
  2. Step 2: Convert to fraction form
    103,014.91/154,587.37 = 43,850.49/x
  3. Step 3: Cross multiply
    103,014.91x = 154,587.37 × 43,850.49
  4. Step 4: Simplify right side
    103,014.91x = 6,778,731,922.31
  5. Step 5: Solve for x
    x = 6,778,731,922.31/103,014.91
  6. Step 6: Final answer
    x = 65,803.41

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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.