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Finding the Fourth Proportional to 164,080.05, 246,089.70 and 45,726.90

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Solution

The fourth proportional to 164,080.05, 246,089.70 and 45,726.90 is: 68,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,080.05 : 246,089.70 = 45,726.90 : x
  2. Step 2: Convert to fraction form
    164,080.05/246,089.70 = 45,726.90/x
  3. Step 3: Cross multiply
    164,080.05x = 246,089.70 × 45,726.90
  4. Step 4: Simplify right side
    164,080.05x = 11,252,919,102.93
  5. Step 5: Solve for x
    x = 11,252,919,102.93/164,080.05
  6. Step 6: Final answer
    x = 68,581.88

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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.