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Finding the Fourth Proportional to 92,841.80, 139,244.92 and 26,265.87

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Solution

The fourth proportional to 92,841.80, 139,244.92 and 26,265.87 is: 39,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,841.80 : 139,244.92 = 26,265.87 : x
  2. Step 2: Convert to fraction form
    92,841.80/139,244.92 = 26,265.87/x
  3. Step 3: Cross multiply
    92,841.80x = 139,244.92 × 26,265.87
  4. Step 4: Simplify right side
    92,841.80x = 3,657,389,048.96
  5. Step 5: Solve for x
    x = 3,657,389,048.96/92,841.80
  6. Step 6: Final answer
    x = 39,393.78

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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.