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Finding the Fourth Proportional to 76,446.60, 105,511.83 and 44,182.60

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Solution

The fourth proportional to 76,446.60, 105,511.83 and 44,182.60 is: 60,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,446.60 : 105,511.83 = 44,182.60 : x
  2. Step 2: Convert to fraction form
    76,446.60/105,511.83 = 44,182.60/x
  3. Step 3: Cross multiply
    76,446.60x = 105,511.83 × 44,182.60
  4. Step 4: Simplify right side
    76,446.60x = 4,661,786,980.16
  5. Step 5: Solve for x
    x = 4,661,786,980.16/76,446.60
  6. Step 6: Final answer
    x = 60,980.96

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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.