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Finding the Fourth Proportional to 69,312.45, 103,945.50 and 22,554.39

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Solution

The fourth proportional to 69,312.45, 103,945.50 and 22,554.39 is: 33,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,312.45 : 103,945.50 = 22,554.39 : x
  2. Step 2: Convert to fraction form
    69,312.45/103,945.50 = 22,554.39/x
  3. Step 3: Cross multiply
    69,312.45x = 103,945.50 × 22,554.39
  4. Step 4: Simplify right side
    69,312.45x = 2,344,427,345.75
  5. Step 5: Solve for x
    x = 2,344,427,345.75/69,312.45
  6. Step 6: Final answer
    x = 33,824.04

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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.