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Finding the Fourth Proportional to 284,685.97, 427,073.25 and 95,087.65

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Solution

The fourth proportional to 284,685.97, 427,073.25 and 95,087.65 is: 142,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,685.97 : 427,073.25 = 95,087.65 : x
  2. Step 2: Convert to fraction form
    284,685.97/427,073.25 = 95,087.65/x
  3. Step 3: Cross multiply
    284,685.97x = 427,073.25 × 95,087.65
  4. Step 4: Simplify right side
    284,685.97x = 40,609,391,720.36
  5. Step 5: Solve for x
    x = 40,609,391,720.36/284,685.97
  6. Step 6: Final answer
    x = 142,646.27

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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.