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Finding the Fourth Proportional to 114,201.66, 171,404.25 and 54,303.98

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Solution

The fourth proportional to 114,201.66, 171,404.25 and 54,303.98 is: 81,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,201.66 : 171,404.25 = 54,303.98 : x
  2. Step 2: Convert to fraction form
    114,201.66/171,404.25 = 54,303.98/x
  3. Step 3: Cross multiply
    114,201.66x = 171,404.25 × 54,303.98
  4. Step 4: Simplify right side
    114,201.66x = 9,307,932,692.40
  5. Step 5: Solve for x
    x = 9,307,932,692.40/114,201.66
  6. Step 6: Final answer
    x = 81,504.36

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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.