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Finding the Fourth Proportional to 101,250.81, 139,648.46 and 60,922.53

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Solution

The fourth proportional to 101,250.81, 139,648.46 and 60,922.53 is: 84,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,250.81 : 139,648.46 = 60,922.53 : x
  2. Step 2: Convert to fraction form
    101,250.81/139,648.46 = 60,922.53/x
  3. Step 3: Cross multiply
    101,250.81x = 139,648.46 × 60,922.53
  4. Step 4: Simplify right side
    101,250.81x = 8,507,737,189.19
  5. Step 5: Solve for x
    x = 8,507,737,189.19/101,250.81
  6. Step 6: Final answer
    x = 84,026.36

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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.