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Finding the Fourth Proportional to 70,063.37, 105,098.70 and 17,473.31

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Solution

The fourth proportional to 70,063.37, 105,098.70 and 17,473.31 is: 26,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063.37 : 105,098.70 = 17,473.31 : x
  2. Step 2: Convert to fraction form
    70,063.37/105,098.70 = 17,473.31/x
  3. Step 3: Cross multiply
    70,063.37x = 105,098.70 × 17,473.31
  4. Step 4: Simplify right side
    70,063.37x = 1,836,422,165.70
  5. Step 5: Solve for x
    x = 1,836,422,165.70/70,063.37
  6. Step 6: Final answer
    x = 26,210.87

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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.