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Finding the Fourth Proportional to 76,866.26, 115,313.24 and 34,766.24

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Solution

The fourth proportional to 76,866.26, 115,313.24 and 34,766.24 is: 52,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,866.26 : 115,313.24 = 34,766.24 : x
  2. Step 2: Convert to fraction form
    76,866.26/115,313.24 = 34,766.24/x
  3. Step 3: Cross multiply
    76,866.26x = 115,313.24 × 34,766.24
  4. Step 4: Simplify right side
    76,866.26x = 4,009,007,287.37
  5. Step 5: Solve for x
    x = 4,009,007,287.37/76,866.26
  6. Step 6: Final answer
    x = 52,155.62

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1.5x scale

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.