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Finding the Fourth Proportional to 192,623.62, 288,863.58 and 66,228.07

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Solution

The fourth proportional to 192,623.62, 288,863.58 and 66,228.07 is: 99,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,623.62 : 288,863.58 = 66,228.07 : x
  2. Step 2: Convert to fraction form
    192,623.62/288,863.58 = 66,228.07/x
  3. Step 3: Cross multiply
    192,623.62x = 288,863.58 × 66,228.07
  4. Step 4: Simplify right side
    192,623.62x = 19,130,877,396.69
  5. Step 5: Solve for x
    x = 19,130,877,396.69/192,623.62
  6. Step 6: Final answer
    x = 99,317.40

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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.