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Finding the Fourth Proportional to 170,242.62, 255,354.21 and 65,072.22

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Solution

The fourth proportional to 170,242.62, 255,354.21 and 65,072.22 is: 97,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,242.62 : 255,354.21 = 65,072.22 : x
  2. Step 2: Convert to fraction form
    170,242.62/255,354.21 = 65,072.22/x
  3. Step 3: Cross multiply
    170,242.62x = 255,354.21 × 65,072.22
  4. Step 4: Simplify right side
    170,242.62x = 16,616,465,331.05
  5. Step 5: Solve for x
    x = 16,616,465,331.05/170,242.62
  6. Step 6: Final answer
    x = 97,604.61

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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.