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Finding the Fourth Proportional to 254,597.33, 351,344.51 and 139,883.37

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Solution

The fourth proportional to 254,597.33, 351,344.51 and 139,883.37 is: 193,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,597.33 : 351,344.51 = 139,883.37 : x
  2. Step 2: Convert to fraction form
    254,597.33/351,344.51 = 139,883.37/x
  3. Step 3: Cross multiply
    254,597.33x = 351,344.51 × 139,883.37
  4. Step 4: Simplify right side
    254,597.33x = 49,147,253,484.90
  5. Step 5: Solve for x
    x = 49,147,253,484.90/254,597.33
  6. Step 6: Final answer
    x = 193,039.16

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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.