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Finding the Fourth Proportional to 163,616.83, 245,418.08 and 51,294.49

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Solution

The fourth proportional to 163,616.83, 245,418.08 and 51,294.49 is: 76,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,616.83 : 245,418.08 = 51,294.49 : x
  2. Step 2: Convert to fraction form
    163,616.83/245,418.08 = 51,294.49/x
  3. Step 3: Cross multiply
    163,616.83x = 245,418.08 × 51,294.49
  4. Step 4: Simplify right side
    163,616.83x = 12,588,594,380.36
  5. Step 5: Solve for x
    x = 12,588,594,380.36/163,616.83
  6. Step 6: Final answer
    x = 76,939.48

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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.