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Finding the Fourth Proportional to 91,348.17, 136,939.22 and 35,152.44

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Solution

The fourth proportional to 91,348.17, 136,939.22 and 35,152.44 is: 52,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,348.17 : 136,939.22 = 35,152.44 : x
  2. Step 2: Convert to fraction form
    91,348.17/136,939.22 = 35,152.44/x
  3. Step 3: Cross multiply
    91,348.17x = 136,939.22 × 35,152.44
  4. Step 4: Simplify right side
    91,348.17x = 4,813,747,538.93
  5. Step 5: Solve for x
    x = 4,813,747,538.93/91,348.17
  6. Step 6: Final answer
    x = 52,696.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.