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Finding the Fourth Proportional to 69,944.50, 104,840.43 and 34,430.26

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Solution

The fourth proportional to 69,944.50, 104,840.43 and 34,430.26 is: 51,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,944.50 : 104,840.43 = 34,430.26 : x
  2. Step 2: Convert to fraction form
    69,944.50/104,840.43 = 34,430.26/x
  3. Step 3: Cross multiply
    69,944.50x = 104,840.43 × 34,430.26
  4. Step 4: Simplify right side
    69,944.50x = 3,609,683,263.41
  5. Step 5: Solve for x
    x = 3,609,683,263.41/69,944.50
  6. Step 6: Final answer
    x = 51,607.82

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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.