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Finding the Fourth Proportional to 114,374.62, 171,597.21 and 51,247.90

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Solution

The fourth proportional to 114,374.62, 171,597.21 and 51,247.90 is: 76,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,374.62 : 171,597.21 = 51,247.90 : x
  2. Step 2: Convert to fraction form
    114,374.62/171,597.21 = 51,247.90/x
  3. Step 3: Cross multiply
    114,374.62x = 171,597.21 × 51,247.90
  4. Step 4: Simplify right side
    114,374.62x = 8,793,996,658.36
  5. Step 5: Solve for x
    x = 8,793,996,658.36/114,374.62
  6. Step 6: Final answer
    x = 76,887.66

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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.