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Finding the Fourth Proportional to 203,244.39, 304,756.63 and 161,393.72

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Solution

The fourth proportional to 203,244.39, 304,756.63 and 161,393.72 is: 242,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,244.39 : 304,756.63 = 161,393.72 : x
  2. Step 2: Convert to fraction form
    203,244.39/304,756.63 = 161,393.72/x
  3. Step 3: Cross multiply
    203,244.39x = 304,756.63 × 161,393.72
  4. Step 4: Simplify right side
    203,244.39x = 49,185,804,283.10
  5. Step 5: Solve for x
    x = 49,185,804,283.10/203,244.39
  6. Step 6: Final answer
    x = 242,003.26

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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.