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Finding the Fourth Proportional to 67,729.95, 101,599.80 and 23,356.07

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Solution

The fourth proportional to 67,729.95, 101,599.80 and 23,356.07 is: 35,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.95 : 101,599.80 = 23,356.07 : x
  2. Step 2: Convert to fraction form
    67,729.95/101,599.80 = 23,356.07/x
  3. Step 3: Cross multiply
    67,729.95x = 101,599.80 × 23,356.07
  4. Step 4: Simplify right side
    67,729.95x = 2,372,971,416.01
  5. Step 5: Solve for x
    x = 2,372,971,416.01/67,729.95
  6. Step 6: Final answer
    x = 35,035.78

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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.