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Finding the Fourth Proportional to 265,798.56, 398,863.84 and 108,026.96

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Solution

The fourth proportional to 265,798.56, 398,863.84 and 108,026.96 is: 162,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,798.56 : 398,863.84 = 108,026.96 : x
  2. Step 2: Convert to fraction form
    265,798.56/398,863.84 = 108,026.96/x
  3. Step 3: Cross multiply
    265,798.56x = 398,863.84 × 108,026.96
  4. Step 4: Simplify right side
    265,798.56x = 43,088,048,089.13
  5. Step 5: Solve for x
    x = 43,088,048,089.13/265,798.56
  6. Step 6: Final answer
    x = 162,107.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.