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Finding the Fourth Proportional to 208,199.54, 312,301.87 and 73,267.63

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Solution

The fourth proportional to 208,199.54, 312,301.87 and 73,267.63 is: 109,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,199.54 : 312,301.87 = 73,267.63 : x
  2. Step 2: Convert to fraction form
    208,199.54/312,301.87 = 73,267.63/x
  3. Step 3: Cross multiply
    208,199.54x = 312,301.87 × 73,267.63
  4. Step 4: Simplify right side
    208,199.54x = 22,881,616,895.54
  5. Step 5: Solve for x
    x = 22,881,616,895.54/208,199.54
  6. Step 6: Final answer
    x = 109,902.34

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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.