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Finding the Fourth Proportional to 164,674.76, 227,251.98 and 89,223.26

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Solution

The fourth proportional to 164,674.76, 227,251.98 and 89,223.26 is: 123,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,674.76 : 227,251.98 = 89,223.26 : x
  2. Step 2: Convert to fraction form
    164,674.76/227,251.98 = 89,223.26/x
  3. Step 3: Cross multiply
    164,674.76x = 227,251.98 × 89,223.26
  4. Step 4: Simplify right side
    164,674.76x = 20,276,161,360.79
  5. Step 5: Solve for x
    x = 20,276,161,360.79/164,674.76
  6. Step 6: Final answer
    x = 123,128.54

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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.