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Finding the Fourth Proportional to 92,936.57, 128,252.97 and 54,697.55

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Solution

The fourth proportional to 92,936.57, 128,252.97 and 54,697.55 is: 75,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,936.57 : 128,252.97 = 54,697.55 : x
  2. Step 2: Convert to fraction form
    92,936.57/128,252.97 = 54,697.55/x
  3. Step 3: Cross multiply
    92,936.57x = 128,252.97 × 54,697.55
  4. Step 4: Simplify right side
    92,936.57x = 7,015,122,597.96
  5. Step 5: Solve for x
    x = 7,015,122,597.96/92,936.57
  6. Step 6: Final answer
    x = 75,482.91

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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.