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Finding the Fourth Proportional to 168,003.80, 252,005.70 and 49,676.30

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Solution

The fourth proportional to 168,003.80, 252,005.70 and 49,676.30 is: 74,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,003.80 : 252,005.70 = 49,676.30 : x
  2. Step 2: Convert to fraction form
    168,003.80/252,005.70 = 49,676.30/x
  3. Step 3: Cross multiply
    168,003.80x = 252,005.70 × 49,676.30
  4. Step 4: Simplify right side
    168,003.80x = 12,518,710,754.91
  5. Step 5: Solve for x
    x = 12,518,710,754.91/168,003.80
  6. Step 6: Final answer
    x = 74,514.45

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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.