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Finding the Fourth Proportional to 203,219.66, 304,773.60 and 113,151.72

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Solution

The fourth proportional to 203,219.66, 304,773.60 and 113,151.72 is: 169,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,219.66 : 304,773.60 = 113,151.72 : x
  2. Step 2: Convert to fraction form
    203,219.66/304,773.60 = 113,151.72/x
  3. Step 3: Cross multiply
    203,219.66x = 304,773.60 × 113,151.72
  4. Step 4: Simplify right side
    203,219.66x = 34,485,657,050.59
  5. Step 5: Solve for x
    x = 34,485,657,050.59/203,219.66
  6. Step 6: Final answer
    x = 169,696.46

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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.