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Finding the Fourth Proportional to 169,676.47, 234,066.92 and 108,358.21

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Solution

The fourth proportional to 169,676.47, 234,066.92 and 108,358.21 is: 149,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,676.47 : 234,066.92 = 108,358.21 : x
  2. Step 2: Convert to fraction form
    169,676.47/234,066.92 = 108,358.21/x
  3. Step 3: Cross multiply
    169,676.47x = 234,066.92 × 108,358.21
  4. Step 4: Simplify right side
    169,676.47x = 25,363,072,471.41
  5. Step 5: Solve for x
    x = 25,363,072,471.41/169,676.47
  6. Step 6: Final answer
    x = 149,479.02

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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.