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Finding the Fourth Proportional to 79,570.94, 119,282.25 and 54,622.74

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Solution

The fourth proportional to 79,570.94, 119,282.25 and 54,622.74 is: 81,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,570.94 : 119,282.25 = 54,622.74 : x
  2. Step 2: Convert to fraction form
    79,570.94/119,282.25 = 54,622.74/x
  3. Step 3: Cross multiply
    79,570.94x = 119,282.25 × 54,622.74
  4. Step 4: Simplify right side
    79,570.94x = 6,515,523,309.55
  5. Step 5: Solve for x
    x = 6,515,523,309.55/79,570.94
  6. Step 6: Final answer
    x = 81,883.20

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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.