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Finding the Fourth Proportional to 164,674.72, 227,251.17 and 89,223.22

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Solution

The fourth proportional to 164,674.72, 227,251.17 and 89,223.22 is: 123,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,674.72 : 227,251.17 = 89,223.22 : x
  2. Step 2: Convert to fraction form
    164,674.72/227,251.17 = 89,223.22/x
  3. Step 3: Cross multiply
    164,674.72x = 227,251.17 × 89,223.22
  4. Step 4: Simplify right side
    164,674.72x = 20,276,081,420.23
  5. Step 5: Solve for x
    x = 20,276,081,420.23/164,674.72
  6. Step 6: Final answer
    x = 123,128.07

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1.5x scale

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.