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Finding the Fourth Proportional to 91,475.92, 137,159.20 and 35,269.41

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Solution

The fourth proportional to 91,475.92, 137,159.20 and 35,269.41 is: 52,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,475.92 : 137,159.20 = 35,269.41 : x
  2. Step 2: Convert to fraction form
    91,475.92/137,159.20 = 35,269.41/x
  3. Step 3: Cross multiply
    91,475.92x = 137,159.20 × 35,269.41
  4. Step 4: Simplify right side
    91,475.92x = 4,837,524,060.07
  5. Step 5: Solve for x
    x = 4,837,524,060.07/91,475.92
  6. Step 6: Final answer
    x = 52,883.03

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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.