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Finding the Fourth Proportional to 69,434.80, 104,130.60 and 25,055.77

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Solution

The fourth proportional to 69,434.80, 104,130.60 and 25,055.77 is: 37,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,434.80 : 104,130.60 = 25,055.77 : x
  2. Step 2: Convert to fraction form
    69,434.80/104,130.60 = 25,055.77/x
  3. Step 3: Cross multiply
    69,434.80x = 104,130.60 × 25,055.77
  4. Step 4: Simplify right side
    69,434.80x = 2,609,072,363.56
  5. Step 5: Solve for x
    x = 2,609,072,363.56/69,434.80
  6. Step 6: Final answer
    x = 37,575.86

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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.