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Finding the Fourth Proportional to 192,410.02, 288,657.62 and 66,047.43

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Solution

The fourth proportional to 192,410.02, 288,657.62 and 66,047.43 is: 99,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,410.02 : 288,657.62 = 66,047.43 : x
  2. Step 2: Convert to fraction form
    192,410.02/288,657.62 = 66,047.43/x
  3. Step 3: Cross multiply
    192,410.02x = 288,657.62 × 66,047.43
  4. Step 4: Simplify right side
    192,410.02x = 19,065,093,950.92
  5. Step 5: Solve for x
    x = 19,065,093,950.92/192,410.02
  6. Step 6: Final answer
    x = 99,085.76

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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.