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Finding the Fourth Proportional to 253,751.33, 350,176.67 and 139,037.41

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Solution

The fourth proportional to 253,751.33, 350,176.67 and 139,037.41 is: 191,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,751.33 : 350,176.67 = 139,037.41 : x
  2. Step 2: Convert to fraction form
    253,751.33/350,176.67 = 139,037.41/x
  3. Step 3: Cross multiply
    253,751.33x = 350,176.67 × 139,037.41
  4. Step 4: Simplify right side
    253,751.33x = 48,687,657,503.15
  5. Step 5: Solve for x
    x = 48,687,657,503.15/253,751.33
  6. Step 6: Final answer
    x = 191,871.53

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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.