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Finding the Fourth Proportional to 245,372.49, 368,058.72 and 67,874.90

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Solution

The fourth proportional to 245,372.49, 368,058.72 and 67,874.90 is: 101,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,372.49 : 368,058.72 = 67,874.90 : x
  2. Step 2: Convert to fraction form
    245,372.49/368,058.72 = 67,874.90/x
  3. Step 3: Cross multiply
    245,372.49x = 368,058.72 × 67,874.90
  4. Step 4: Simplify right side
    245,372.49x = 24,981,946,973.83
  5. Step 5: Solve for x
    x = 24,981,946,973.83/245,372.49
  6. Step 6: Final answer
    x = 101,812.34

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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.