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Finding the Fourth Proportional to 104,953.94, 144,754.53 and 67,231.70

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Solution

The fourth proportional to 104,953.94, 144,754.53 and 67,231.70 is: 92,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,953.94 : 144,754.53 = 67,231.70 : x
  2. Step 2: Convert to fraction form
    104,953.94/144,754.53 = 67,231.70/x
  3. Step 3: Cross multiply
    104,953.94x = 144,754.53 × 67,231.70
  4. Step 4: Simplify right side
    104,953.94x = 9,732,093,134.60
  5. Step 5: Solve for x
    x = 9,732,093,134.60/104,953.94
  6. Step 6: Final answer
    x = 92,727.28

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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.