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Finding the Fourth Proportional to 168,467.10, 252,482.13 and 68,510.94

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Solution

The fourth proportional to 168,467.10, 252,482.13 and 68,510.94 is: 102,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,467.10 : 252,482.13 = 68,510.94 : x
  2. Step 2: Convert to fraction form
    168,467.10/252,482.13 = 68,510.94/x
  3. Step 3: Cross multiply
    168,467.10x = 252,482.13 × 68,510.94
  4. Step 4: Simplify right side
    168,467.10x = 17,297,788,059.50
  5. Step 5: Solve for x
    x = 17,297,788,059.50/168,467.10
  6. Step 6: Final answer
    x = 102,677.54

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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.