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Finding the Fourth Proportional to 170,863.52, 235,790.71 and 94,387.87

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Solution

The fourth proportional to 170,863.52, 235,790.71 and 94,387.87 is: 130,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,863.52 : 235,790.71 = 94,387.87 : x
  2. Step 2: Convert to fraction form
    170,863.52/235,790.71 = 94,387.87/x
  3. Step 3: Cross multiply
    170,863.52x = 235,790.71 × 94,387.87
  4. Step 4: Simplify right side
    170,863.52x = 22,255,782,882.69
  5. Step 5: Solve for x
    x = 22,255,782,882.69/170,863.52
  6. Step 6: Final answer
    x = 130,254.74

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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.