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Finding the Fourth Proportional to 164,673.76, 227,249.84 and 89,222.28

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Solution

The fourth proportional to 164,673.76, 227,249.84 and 89,222.28 is: 123,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,673.76 : 227,249.84 = 89,222.28 : x
  2. Step 2: Convert to fraction form
    164,673.76/227,249.84 = 89,222.28/x
  3. Step 3: Cross multiply
    164,673.76x = 227,249.84 × 89,222.28
  4. Step 4: Simplify right side
    164,673.76x = 20,275,748,854.44
  5. Step 5: Solve for x
    x = 20,275,748,854.44/164,673.76
  6. Step 6: Final answer
    x = 123,126.77

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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.