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Finding the Fourth Proportional to 92,699.28, 127,924.92 and 50,257.44

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Solution

The fourth proportional to 92,699.28, 127,924.92 and 50,257.44 is: 69,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,699.28 : 127,924.92 = 50,257.44 : x
  2. Step 2: Convert to fraction form
    92,699.28/127,924.92 = 50,257.44/x
  3. Step 3: Cross multiply
    92,699.28x = 127,924.92 × 50,257.44
  4. Step 4: Simplify right side
    92,699.28x = 6,429,178,991.40
  5. Step 5: Solve for x
    x = 6,429,178,991.40/92,699.28
  6. Step 6: Final answer
    x = 69,355.22

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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.