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Finding the Fourth Proportional to 168,807.80, 253,211.70 and 44,148.80

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Solution

The fourth proportional to 168,807.80, 253,211.70 and 44,148.80 is: 66,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,807.80 : 253,211.70 = 44,148.80 : x
  2. Step 2: Convert to fraction form
    168,807.80/253,211.70 = 44,148.80/x
  3. Step 3: Cross multiply
    168,807.80x = 253,211.70 × 44,148.80
  4. Step 4: Simplify right side
    168,807.80x = 11,178,992,700.96
  5. Step 5: Solve for x
    x = 11,178,992,700.96/168,807.80
  6. Step 6: Final answer
    x = 66,223.20

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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.