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Finding the Fourth Proportional to 103,777.99, 155,712.22 and 36,358.39

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Solution

The fourth proportional to 103,777.99, 155,712.22 and 36,358.39 is: 54,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,777.99 : 155,712.22 = 36,358.39 : x
  2. Step 2: Convert to fraction form
    103,777.99/155,712.22 = 36,358.39/x
  3. Step 3: Cross multiply
    103,777.99x = 155,712.22 × 36,358.39
  4. Step 4: Simplify right side
    103,777.99x = 5,661,445,726.27
  5. Step 5: Solve for x
    x = 5,661,445,726.27/103,777.99
  6. Step 6: Final answer
    x = 54,553.44

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1.5x scale

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.