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Finding the Fourth Proportional to 114,377.56, 171,587.93 and 43,321.48

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Solution

The fourth proportional to 114,377.56, 171,587.93 and 43,321.48 is: 64,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,377.56 : 171,587.93 = 43,321.48 : x
  2. Step 2: Convert to fraction form
    114,377.56/171,587.93 = 43,321.48/x
  3. Step 3: Cross multiply
    114,377.56x = 171,587.93 × 43,321.48
  4. Step 4: Simplify right side
    114,377.56x = 7,433,442,432.16
  5. Step 5: Solve for x
    x = 7,433,442,432.16/114,377.56
  6. Step 6: Final answer
    x = 64,990.39

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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.