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Finding the Fourth Proportional to 192,059.47, 288,078.31 and 58,939.39

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Solution

The fourth proportional to 192,059.47, 288,078.31 and 58,939.39 is: 88,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,059.47 : 288,078.31 = 58,939.39 : x
  2. Step 2: Convert to fraction form
    192,059.47/288,078.31 = 58,939.39/x
  3. Step 3: Cross multiply
    192,059.47x = 288,078.31 × 58,939.39
  4. Step 4: Simplify right side
    192,059.47x = 16,979,159,863.63
  5. Step 5: Solve for x
    x = 16,979,159,863.63/192,059.47
  6. Step 6: Final answer
    x = 88,405.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.