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Finding the Fourth Proportional to 76,103.75, 105,049.08 and 44,299.37

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Solution

The fourth proportional to 76,103.75, 105,049.08 and 44,299.37 is: 61,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,103.75 : 105,049.08 = 44,299.37 : x
  2. Step 2: Convert to fraction form
    76,103.75/105,049.08 = 44,299.37/x
  3. Step 3: Cross multiply
    76,103.75x = 105,049.08 × 44,299.37
  4. Step 4: Simplify right side
    76,103.75x = 4,653,607,537.83
  5. Step 5: Solve for x
    x = 4,653,607,537.83/76,103.75
  6. Step 6: Final answer
    x = 61,148.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.