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Finding the Fourth Proportional to 150,210.63, 225,393.60 and 66,029.89

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Solution

The fourth proportional to 150,210.63, 225,393.60 and 66,029.89 is: 99,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,210.63 : 225,393.60 = 66,029.89 : x
  2. Step 2: Convert to fraction form
    150,210.63/225,393.60 = 66,029.89/x
  3. Step 3: Cross multiply
    150,210.63x = 225,393.60 × 66,029.89
  4. Step 4: Simplify right side
    150,210.63x = 14,882,714,614.70
  5. Step 5: Solve for x
    x = 14,882,714,614.70/150,210.63
  6. Step 6: Final answer
    x = 99,078.97

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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.