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Finding the Fourth Proportional to 91,806.26, 137,682.05 and 35,655.03

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Solution

The fourth proportional to 91,806.26, 137,682.05 and 35,655.03 is: 53,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,806.26 : 137,682.05 = 35,655.03 : x
  2. Step 2: Convert to fraction form
    91,806.26/137,682.05 = 35,655.03/x
  3. Step 3: Cross multiply
    91,806.26x = 137,682.05 × 35,655.03
  4. Step 4: Simplify right side
    91,806.26x = 4,909,057,444.94
  5. Step 5: Solve for x
    x = 4,909,057,444.94/91,806.26
  6. Step 6: Final answer
    x = 53,471.93

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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.