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Finding the Fourth Proportional to 94,057.76, 129,795.44 and 51,615.44

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Solution

The fourth proportional to 94,057.76, 129,795.44 and 51,615.44 is: 71,226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,057.76 : 129,795.44 = 51,615.44 : x
  2. Step 2: Convert to fraction form
    94,057.76/129,795.44 = 51,615.44/x
  3. Step 3: Cross multiply
    94,057.76x = 129,795.44 × 51,615.44
  4. Step 4: Simplify right side
    94,057.76x = 6,699,448,745.59
  5. Step 5: Solve for x
    x = 6,699,448,745.59/94,057.76
  6. Step 6: Final answer
    x = 71,226.96

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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.