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Finding the Fourth Proportional to 91,234.80, 125,896.77 and 50,946.17

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Solution

The fourth proportional to 91,234.80, 125,896.77 and 50,946.17 is: 70,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,234.80 : 125,896.77 = 50,946.17 : x
  2. Step 2: Convert to fraction form
    91,234.80/125,896.77 = 50,946.17/x
  3. Step 3: Cross multiply
    91,234.80x = 125,896.77 × 50,946.17
  4. Step 4: Simplify right side
    91,234.80x = 6,413,957,617.39
  5. Step 5: Solve for x
    x = 6,413,957,617.39/91,234.80
  6. Step 6: Final answer
    x = 70,301.66

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1.5x scale

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.