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Finding the Fourth Proportional to 164,397.56, 246,398.04 and 80,031.28

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Solution

The fourth proportional to 164,397.56, 246,398.04 and 80,031.28 is: 119,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,397.56 : 246,398.04 = 80,031.28 : x
  2. Step 2: Convert to fraction form
    164,397.56/246,398.04 = 80,031.28/x
  3. Step 3: Cross multiply
    164,397.56x = 246,398.04 × 80,031.28
  4. Step 4: Simplify right side
    164,397.56x = 19,719,550,530.69
  5. Step 5: Solve for x
    x = 19,719,550,530.69/164,397.56
  6. Step 6: Final answer
    x = 119,950.38

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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.