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Finding the Fourth Proportional to 161,773.46, 223,154.57 and 101,238.98

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Solution

The fourth proportional to 161,773.46, 223,154.57 and 101,238.98 is: 139,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,773.46 : 223,154.57 = 101,238.98 : x
  2. Step 2: Convert to fraction form
    161,773.46/223,154.57 = 101,238.98/x
  3. Step 3: Cross multiply
    161,773.46x = 223,154.57 × 101,238.98
  4. Step 4: Simplify right side
    161,773.46x = 22,591,939,427.17
  5. Step 5: Solve for x
    x = 22,591,939,427.17/161,773.46
  6. Step 6: Final answer
    x = 139,651.71

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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.