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Finding the Fourth Proportional to 69,443.19, 104,169.69 and 34,373.43

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Solution

The fourth proportional to 69,443.19, 104,169.69 and 34,373.43 is: 51,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,443.19 : 104,169.69 = 34,373.43 : x
  2. Step 2: Convert to fraction form
    69,443.19/104,169.69 = 34,373.43/x
  3. Step 3: Cross multiply
    69,443.19x = 104,169.69 × 34,373.43
  4. Step 4: Simplify right side
    69,443.19x = 3,580,669,547.34
  5. Step 5: Solve for x
    x = 3,580,669,547.34/69,443.19
  6. Step 6: Final answer
    x = 51,562.57

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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.