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Finding the Fourth Proportional to 192,893.64, 289,354.34 and 66,532.05

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Solution

The fourth proportional to 192,893.64, 289,354.34 and 66,532.05 is: 99,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,893.64 : 289,354.34 = 66,532.05 : x
  2. Step 2: Convert to fraction form
    192,893.64/289,354.34 = 66,532.05/x
  3. Step 3: Cross multiply
    192,893.64x = 289,354.34 × 66,532.05
  4. Step 4: Simplify right side
    192,893.64x = 19,251,337,582.93
  5. Step 5: Solve for x
    x = 19,251,337,582.93/192,893.64
  6. Step 6: Final answer
    x = 99,802.87

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1.5x scale

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.