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Finding the Fourth Proportional to 168,706.20, 253,059.30 and 44,047.20

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Solution

The fourth proportional to 168,706.20, 253,059.30 and 44,047.20 is: 66,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,706.20 : 253,059.30 = 44,047.20 : x
  2. Step 2: Convert to fraction form
    168,706.20/253,059.30 = 44,047.20/x
  3. Step 3: Cross multiply
    168,706.20x = 253,059.30 × 44,047.20
  4. Step 4: Simplify right side
    168,706.20x = 11,146,553,598.96
  5. Step 5: Solve for x
    x = 11,146,553,598.96/168,706.20
  6. Step 6: Final answer
    x = 66,070.80

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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.