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Finding the Fourth Proportional to 254,301.95, 350,941.14 and 139,591.33

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Solution

The fourth proportional to 254,301.95, 350,941.14 and 139,591.33 is: 192,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,301.95 : 350,941.14 = 139,591.33 : x
  2. Step 2: Convert to fraction form
    254,301.95/350,941.14 = 139,591.33/x
  3. Step 3: Cross multiply
    254,301.95x = 350,941.14 × 139,591.33
  4. Step 4: Simplify right side
    254,301.95x = 48,988,338,729.61
  5. Step 5: Solve for x
    x = 48,988,338,729.61/254,301.95
  6. Step 6: Final answer
    x = 192,638.47

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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.