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Finding the Fourth Proportional to 143,069.94, 214,602.73 and 48,366.65

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Solution

The fourth proportional to 143,069.94, 214,602.73 and 48,366.65 is: 72,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,069.94 : 214,602.73 = 48,366.65 : x
  2. Step 2: Convert to fraction form
    143,069.94/214,602.73 = 48,366.65/x
  3. Step 3: Cross multiply
    143,069.94x = 214,602.73 × 48,366.65
  4. Step 4: Simplify right side
    143,069.94x = 10,379,615,325.54
  5. Step 5: Solve for x
    x = 10,379,615,325.54/143,069.94
  6. Step 6: Final answer
    x = 72,549.24

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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.