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Finding the Fourth Proportional to 91,833.95, 137,738.63 and 35,668.60

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Solution

The fourth proportional to 91,833.95, 137,738.63 and 35,668.60 is: 53,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,833.95 : 137,738.63 = 35,668.60 : x
  2. Step 2: Convert to fraction form
    91,833.95/137,738.63 = 35,668.60/x
  3. Step 3: Cross multiply
    91,833.95x = 137,738.63 × 35,668.60
  4. Step 4: Simplify right side
    91,833.95x = 4,912,944,416.99
  5. Step 5: Solve for x
    x = 4,912,944,416.99/91,833.95
  6. Step 6: Final answer
    x = 53,498.13

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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.