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Finding the Fourth Proportional to 192,057.65, 287,568.08 and 192,057.65

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Solution

The fourth proportional to 192,057.65, 287,568.08 and 192,057.65 is: 287,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,057.65 : 287,568.08 = 192,057.65 : x
  2. Step 2: Convert to fraction form
    192,057.65/287,568.08 = 192,057.65/x
  3. Step 3: Cross multiply
    192,057.65x = 287,568.08 × 192,057.65
  4. Step 4: Simplify right side
    192,057.65x = 55,229,648,699.52
  5. Step 5: Solve for x
    x = 55,229,648,699.52/192,057.65
  6. Step 6: Final answer
    x = 287,568.08

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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.