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Finding the Fourth Proportional to 69,261.66, 103,911.00 and 24,888.80

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Solution

The fourth proportional to 69,261.66, 103,911.00 and 24,888.80 is: 37,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,261.66 : 103,911.00 = 24,888.80 : x
  2. Step 2: Convert to fraction form
    69,261.66/103,911.00 = 24,888.80/x
  3. Step 3: Cross multiply
    69,261.66x = 103,911.00 × 24,888.80
  4. Step 4: Simplify right side
    69,261.66x = 2,586,219,818.74
  5. Step 5: Solve for x
    x = 2,586,219,818.74/69,261.66
  6. Step 6: Final answer
    x = 37,339.85

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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.