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Finding the Fourth Proportional to 143,232.66, 214,871.28 and 43,369.08

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Solution

The fourth proportional to 143,232.66, 214,871.28 and 43,369.08 is: 65,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,232.66 : 214,871.28 = 43,369.08 : x
  2. Step 2: Convert to fraction form
    143,232.66/214,871.28 = 43,369.08/x
  3. Step 3: Cross multiply
    143,232.66x = 214,871.28 × 43,369.08
  4. Step 4: Simplify right side
    143,232.66x = 9,318,768,440.82
  5. Step 5: Solve for x
    x = 9,318,768,440.82/143,232.66
  6. Step 6: Final answer
    x = 65,060.36

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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.