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Finding the Fourth Proportional to 192,416.99, 288,503.22 and 168,772.01

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Solution

The fourth proportional to 192,416.99, 288,503.22 and 168,772.01 is: 253,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,416.99 : 288,503.22 = 168,772.01 : x
  2. Step 2: Convert to fraction form
    192,416.99/288,503.22 = 168,772.01/x
  3. Step 3: Cross multiply
    192,416.99x = 288,503.22 × 168,772.01
  4. Step 4: Simplify right side
    192,416.99x = 48,691,268,330.87
  5. Step 5: Solve for x
    x = 48,691,268,330.87/192,416.99
  6. Step 6: Final answer
    x = 253,050.77

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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.