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Finding the Fourth Proportional to 86,706.92, 119,655.50 and 50,896.92

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Solution

The fourth proportional to 86,706.92, 119,655.50 and 50,896.92 is: 70,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,706.92 : 119,655.50 = 50,896.92 : x
  2. Step 2: Convert to fraction form
    86,706.92/119,655.50 = 50,896.92/x
  3. Step 3: Cross multiply
    86,706.92x = 119,655.50 × 50,896.92
  4. Step 4: Simplify right side
    86,706.92x = 6,090,096,891.58
  5. Step 5: Solve for x
    x = 6,090,096,891.58/86,706.92
  6. Step 6: Final answer
    x = 70,237.73

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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.