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Finding the Fourth Proportional to 94,183.58, 129,980.63 and 53,909.98

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Solution

The fourth proportional to 94,183.58, 129,980.63 and 53,909.98 is: 74,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,183.58 : 129,980.63 = 53,909.98 : x
  2. Step 2: Convert to fraction form
    94,183.58/129,980.63 = 53,909.98/x
  3. Step 3: Cross multiply
    94,183.58x = 129,980.63 × 53,909.98
  4. Step 4: Simplify right side
    94,183.58x = 7,007,253,163.69
  5. Step 5: Solve for x
    x = 7,007,253,163.69/94,183.58
  6. Step 6: Final answer
    x = 74,399.94

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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.