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Finding the Fourth Proportional to 170,676.90, 256,048.22 and 65,487.67

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Solution

The fourth proportional to 170,676.90, 256,048.22 and 65,487.67 is: 98,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,676.90 : 256,048.22 = 65,487.67 : x
  2. Step 2: Convert to fraction form
    170,676.90/256,048.22 = 65,487.67/x
  3. Step 3: Cross multiply
    170,676.90x = 256,048.22 × 65,487.67
  4. Step 4: Simplify right side
    170,676.90x = 16,768,000,859.05
  5. Step 5: Solve for x
    x = 16,768,000,859.05/170,676.90
  6. Step 6: Final answer
    x = 98,244.11

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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.