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Finding the Fourth Proportional to 192,514.76, 289,023.65 and 154,584.29

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Solution

The fourth proportional to 192,514.76, 289,023.65 and 154,584.29 is: 232,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,514.76 : 289,023.65 = 154,584.29 : x
  2. Step 2: Convert to fraction form
    192,514.76/289,023.65 = 154,584.29/x
  3. Step 3: Cross multiply
    192,514.76x = 289,023.65 × 154,584.29
  4. Step 4: Simplify right side
    192,514.76x = 44,678,513,510.42
  5. Step 5: Solve for x
    x = 44,678,513,510.42/192,514.76
  6. Step 6: Final answer
    x = 232,078.39

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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.