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Finding the Fourth Proportional to 76,115.84, 105,014.26 and 44,258.54

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Solution

The fourth proportional to 76,115.84, 105,014.26 and 44,258.54 is: 61,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,115.84 : 105,014.26 = 44,258.54 : x
  2. Step 2: Convert to fraction form
    76,115.84/105,014.26 = 44,258.54/x
  3. Step 3: Cross multiply
    76,115.84x = 105,014.26 × 44,258.54
  4. Step 4: Simplify right side
    76,115.84x = 4,647,777,978.67
  5. Step 5: Solve for x
    x = 4,647,777,978.67/76,115.84
  6. Step 6: Final answer
    x = 61,061.90

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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.