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Finding the Fourth Proportional to 92,936.30, 128,253.98 and 50,497.56

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Solution

The fourth proportional to 92,936.30, 128,253.98 and 50,497.56 is: 69,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,936.30 : 128,253.98 = 50,497.56 : x
  2. Step 2: Convert to fraction form
    92,936.30/128,253.98 = 50,497.56/x
  3. Step 3: Cross multiply
    92,936.30x = 128,253.98 × 50,497.56
  4. Step 4: Simplify right side
    92,936.30x = 6,476,513,176.53
  5. Step 5: Solve for x
    x = 6,476,513,176.53/92,936.30
  6. Step 6: Final answer
    x = 69,687.66

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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.