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Finding the Fourth Proportional to 104,524.20, 156,859.20 and 67,175.10

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Solution

The fourth proportional to 104,524.20, 156,859.20 and 67,175.10 is: 100,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,524.20 : 156,859.20 = 67,175.10 : x
  2. Step 2: Convert to fraction form
    104,524.20/156,859.20 = 67,175.10/x
  3. Step 3: Cross multiply
    104,524.20x = 156,859.20 × 67,175.10
  4. Step 4: Simplify right side
    104,524.20x = 10,537,032,445.92
  5. Step 5: Solve for x
    x = 10,537,032,445.92/104,524.20
  6. Step 6: Final answer
    x = 100,809.50

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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.