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Finding the Fourth Proportional to 113,959.92, 170,960.54 and 57,063.50

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Solution

The fourth proportional to 113,959.92, 170,960.54 and 57,063.50 is: 85,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,959.92 : 170,960.54 = 57,063.50 : x
  2. Step 2: Convert to fraction form
    113,959.92/170,960.54 = 57,063.50/x
  3. Step 3: Cross multiply
    113,959.92x = 170,960.54 × 57,063.50
  4. Step 4: Simplify right side
    113,959.92x = 9,755,605,634.17
  5. Step 5: Solve for x
    x = 9,755,605,634.17/113,959.92
  6. Step 6: Final answer
    x = 85,605.59

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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.