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Finding the Fourth Proportional to 69,461.20, 104,038.20 and 41,813.20

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Solution

The fourth proportional to 69,461.20, 104,038.20 and 41,813.20 is: 62,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,461.20 : 104,038.20 = 41,813.20 : x
  2. Step 2: Convert to fraction form
    69,461.20/104,038.20 = 41,813.20/x
  3. Step 3: Cross multiply
    69,461.20x = 104,038.20 × 41,813.20
  4. Step 4: Simplify right side
    69,461.20x = 4,350,170,064.24
  5. Step 5: Solve for x
    x = 4,350,170,064.24/69,461.20
  6. Step 6: Final answer
    x = 62,627.34

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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.