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Finding the Fourth Proportional to 164,530.77, 227,053.17 and 89,079.27

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Solution

The fourth proportional to 164,530.77, 227,053.17 and 89,079.27 is: 122,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,530.77 : 227,053.17 = 89,079.27 : x
  2. Step 2: Convert to fraction form
    164,530.77/227,053.17 = 89,079.27/x
  3. Step 3: Cross multiply
    164,530.77x = 227,053.17 × 89,079.27
  4. Step 4: Simplify right side
    164,530.77x = 20,225,730,634.79
  5. Step 5: Solve for x
    x = 20,225,730,634.79/164,530.77
  6. Step 6: Final answer
    x = 122,929.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.