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Finding the Fourth Proportional to 70,099.70, 105,163.52 and 22,726.85

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Solution

The fourth proportional to 70,099.70, 105,163.52 and 22,726.85 is: 34,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,099.70 : 105,163.52 = 22,726.85 : x
  2. Step 2: Convert to fraction form
    70,099.70/105,163.52 = 22,726.85/x
  3. Step 3: Cross multiply
    70,099.70x = 105,163.52 × 22,726.85
  4. Step 4: Simplify right side
    70,099.70x = 2,390,034,905.06
  5. Step 5: Solve for x
    x = 2,390,034,905.06/70,099.70
  6. Step 6: Final answer
    x = 34,094.80

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1.5x scale

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.