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Finding the Fourth Proportional to 70,405.47, 105,648.98 and 26,063.37

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Solution

The fourth proportional to 70,405.47, 105,648.98 and 26,063.37 is: 39,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,405.47 : 105,648.98 = 26,063.37 : x
  2. Step 2: Convert to fraction form
    70,405.47/105,648.98 = 26,063.37/x
  3. Step 3: Cross multiply
    70,405.47x = 105,648.98 × 26,063.37
  4. Step 4: Simplify right side
    70,405.47x = 2,753,568,325.55
  5. Step 5: Solve for x
    x = 2,753,568,325.55/70,405.47
  6. Step 6: Final answer
    x = 39,110.15

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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.