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Finding the Fourth Proportional to 254,302.95, 350,942.52 and 139,592.33

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Solution

The fourth proportional to 254,302.95, 350,942.52 and 139,592.33 is: 192,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,302.95 : 350,942.52 = 139,592.33 : x
  2. Step 2: Convert to fraction form
    254,302.95/350,942.52 = 139,592.33/x
  3. Step 3: Cross multiply
    254,302.95x = 350,942.52 × 139,592.33
  4. Step 4: Simplify right side
    254,302.95x = 48,988,884,062.87
  5. Step 5: Solve for x
    x = 48,988,884,062.87/254,302.95
  6. Step 6: Final answer
    x = 192,639.86

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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.