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Finding the Fourth Proportional to 91,902.60, 137,853.90 and 29,573.10

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Solution

The fourth proportional to 91,902.60, 137,853.90 and 29,573.10 is: 44,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,902.60 : 137,853.90 = 29,573.10 : x
  2. Step 2: Convert to fraction form
    91,902.60/137,853.90 = 29,573.10/x
  3. Step 3: Cross multiply
    91,902.60x = 137,853.90 × 29,573.10
  4. Step 4: Simplify right side
    91,902.60x = 4,076,767,170.09
  5. Step 5: Solve for x
    x = 4,076,767,170.09/91,902.60
  6. Step 6: Final answer
    x = 44,359.65

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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.