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Finding the Fourth Proportional to 192,492.86, 288,635.33 and 136,442.75

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Solution

The fourth proportional to 192,492.86, 288,635.33 and 136,442.75 is: 204,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,492.86 : 288,635.33 = 136,442.75 : x
  2. Step 2: Convert to fraction form
    192,492.86/288,635.33 = 136,442.75/x
  3. Step 3: Cross multiply
    192,492.86x = 288,635.33 × 136,442.75
  4. Step 4: Simplify right side
    192,492.86x = 39,382,197,070.29
  5. Step 5: Solve for x
    x = 39,382,197,070.29/192,492.86
  6. Step 6: Final answer
    x = 204,590.44

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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.