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Finding the Fourth Proportional to 91,494.88, 137,147.16 and 35,373.53

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Solution

The fourth proportional to 91,494.88, 137,147.16 and 35,373.53 is: 53,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,494.88 : 137,147.16 = 35,373.53 : x
  2. Step 2: Convert to fraction form
    91,494.88/137,147.16 = 35,373.53/x
  3. Step 3: Cross multiply
    91,494.88x = 137,147.16 × 35,373.53
  4. Step 4: Simplify right side
    91,494.88x = 4,851,379,178.67
  5. Step 5: Solve for x
    x = 4,851,379,178.67/91,494.88
  6. Step 6: Final answer
    x = 53,023.51

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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.