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Finding the Fourth Proportional to 265,908.35, 398,866.00 and 88,415.36

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Solution

The fourth proportional to 265,908.35, 398,866.00 and 88,415.36 is: 132,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,908.35 : 398,866.00 = 88,415.36 : x
  2. Step 2: Convert to fraction form
    265,908.35/398,866.00 = 88,415.36/x
  3. Step 3: Cross multiply
    265,908.35x = 398,866.00 × 88,415.36
  4. Step 4: Simplify right side
    265,908.35x = 35,265,882,671.54
  5. Step 5: Solve for x
    x = 35,265,882,671.54/265,908.35
  6. Step 6: Final answer
    x = 132,624.20

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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.