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Finding the Fourth Proportional to 171,134.40, 235,838.88 and 148,739.52

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Solution

The fourth proportional to 171,134.40, 235,838.88 and 148,739.52 is: 204,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,134.40 : 235,838.88 = 148,739.52 : x
  2. Step 2: Convert to fraction form
    171,134.40/235,838.88 = 148,739.52/x
  3. Step 3: Cross multiply
    171,134.40x = 235,838.88 × 148,739.52
  4. Step 4: Simplify right side
    171,134.40x = 35,078,561,808.54
  5. Step 5: Solve for x
    x = 35,078,561,808.54/171,134.40
  6. Step 6: Final answer
    x = 204,976.68

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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.