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Finding the Fourth Proportional to 253,973.60, 350,464.52 and 139,233.92

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Solution

The fourth proportional to 253,973.60, 350,464.52 and 139,233.92 is: 192,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,973.60 : 350,464.52 = 139,233.92 : x
  2. Step 2: Convert to fraction form
    253,973.60/350,464.52 = 139,233.92/x
  3. Step 3: Cross multiply
    253,973.60x = 350,464.52 × 139,233.92
  4. Step 4: Simplify right side
    253,973.60x = 48,796,548,940.52
  5. Step 5: Solve for x
    x = 48,796,548,940.52/253,973.60
  6. Step 6: Final answer
    x = 192,132.37

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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.