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Finding the Fourth Proportional to 69,388.54, 104,124.34 and 63,741.98

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Solution

The fourth proportional to 69,388.54, 104,124.34 and 63,741.98 is: 95,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,388.54 : 104,124.34 = 63,741.98 : x
  2. Step 2: Convert to fraction form
    69,388.54/104,124.34 = 63,741.98/x
  3. Step 3: Cross multiply
    69,388.54x = 104,124.34 × 63,741.98
  4. Step 4: Simplify right side
    69,388.54x = 6,637,092,039.67
  5. Step 5: Solve for x
    x = 6,637,092,039.67/69,388.54
  6. Step 6: Final answer
    x = 95,651.12

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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.