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Finding the Fourth Proportional to 114,684.40, 171,997.80 and 40,795.12

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Solution

The fourth proportional to 114,684.40, 171,997.80 and 40,795.12 is: 61,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,684.40 : 171,997.80 = 40,795.12 : x
  2. Step 2: Convert to fraction form
    114,684.40/171,997.80 = 40,795.12/x
  3. Step 3: Cross multiply
    114,684.40x = 171,997.80 × 40,795.12
  4. Step 4: Simplify right side
    114,684.40x = 7,016,670,890.74
  5. Step 5: Solve for x
    x = 7,016,670,890.74/114,684.40
  6. Step 6: Final answer
    x = 61,182.44

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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.