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Finding the Fourth Proportional to 143,014.69, 197,364.71 and 79,358.41

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Solution

The fourth proportional to 143,014.69, 197,364.71 and 79,358.41 is: 109,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,014.69 : 197,364.71 = 79,358.41 : x
  2. Step 2: Convert to fraction form
    143,014.69/197,364.71 = 79,358.41/x
  3. Step 3: Cross multiply
    143,014.69x = 197,364.71 × 79,358.41
  4. Step 4: Simplify right side
    143,014.69x = 15,662,549,178.92
  5. Step 5: Solve for x
    x = 15,662,549,178.92/143,014.69
  6. Step 6: Final answer
    x = 109,517.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.