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Finding the Fourth Proportional to 143,559.06, 214,811.94 and 119,807.94

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Solution

The fourth proportional to 143,559.06, 214,811.94 and 119,807.94 is: 179,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,559.06 : 214,811.94 = 119,807.94 : x
  2. Step 2: Convert to fraction form
    143,559.06/214,811.94 = 119,807.94/x
  3. Step 3: Cross multiply
    143,559.06x = 214,811.94 × 119,807.94
  4. Step 4: Simplify right side
    143,559.06x = 25,736,176,018.80
  5. Step 5: Solve for x
    x = 25,736,176,018.80/143,559.06
  6. Step 6: Final answer
    x = 179,272.39

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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.