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Finding the Fourth Proportional to 192,606.20, 288,794.10 and 99,294.20

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Solution

The fourth proportional to 192,606.20, 288,794.10 and 99,294.20 is: 148,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,606.20 : 288,794.10 = 99,294.20 : x
  2. Step 2: Convert to fraction form
    192,606.20/288,794.10 = 99,294.20/x
  3. Step 3: Cross multiply
    192,606.20x = 288,794.10 × 99,294.20
  4. Step 4: Simplify right side
    192,606.20x = 28,675,579,124.22
  5. Step 5: Solve for x
    x = 28,675,579,124.22/192,606.20
  6. Step 6: Final answer
    x = 148,881.91

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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.