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Finding the Fourth Proportional to 101,355.27, 139,869.36 and 56,034.41

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Solution

The fourth proportional to 101,355.27, 139,869.36 and 56,034.41 is: 77,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,355.27 : 139,869.36 = 56,034.41 : x
  2. Step 2: Convert to fraction form
    101,355.27/139,869.36 = 56,034.41/x
  3. Step 3: Cross multiply
    101,355.27x = 139,869.36 × 56,034.41
  4. Step 4: Simplify right side
    101,355.27x = 7,837,496,365.33
  5. Step 5: Solve for x
    x = 7,837,496,365.33/101,355.27
  6. Step 6: Final answer
    x = 77,326.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.