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Finding the Fourth Proportional to 192,886.10, 289,329.15 and 50,731.10

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Solution

The fourth proportional to 192,886.10, 289,329.15 and 50,731.10 is: 76,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,886.10 : 289,329.15 = 50,731.10 : x
  2. Step 2: Convert to fraction form
    192,886.10/289,329.15 = 50,731.10/x
  3. Step 3: Cross multiply
    192,886.10x = 289,329.15 × 50,731.10
  4. Step 4: Simplify right side
    192,886.10x = 14,677,986,041.57
  5. Step 5: Solve for x
    x = 14,677,986,041.57/192,886.10
  6. Step 6: Final answer
    x = 76,096.65

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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.