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Finding the Fourth Proportional to 68,894.92, 103,365.38 and 26,776.35

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Solution

The fourth proportional to 68,894.92, 103,365.38 and 26,776.35 is: 40,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,894.92 : 103,365.38 = 26,776.35 : x
  2. Step 2: Convert to fraction form
    68,894.92/103,365.38 = 26,776.35/x
  3. Step 3: Cross multiply
    68,894.92x = 103,365.38 × 26,776.35
  4. Step 4: Simplify right side
    68,894.92x = 2,767,747,592.76
  5. Step 5: Solve for x
    x = 2,767,747,592.76/68,894.92
  6. Step 6: Final answer
    x = 40,173.46

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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.