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Finding the Fourth Proportional to 247,073.34, 340,848.03 and 145,096.98

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Solution

The fourth proportional to 247,073.34, 340,848.03 and 145,096.98 is: 200,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,073.34 : 340,848.03 = 145,096.98 : x
  2. Step 2: Convert to fraction form
    247,073.34/340,848.03 = 145,096.98/x
  3. Step 3: Cross multiply
    247,073.34x = 340,848.03 × 145,096.98
  4. Step 4: Simplify right side
    247,073.34x = 49,456,019,791.95
  5. Step 5: Solve for x
    x = 49,456,019,791.95/247,073.34
  6. Step 6: Final answer
    x = 200,167.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.