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Finding the Fourth Proportional to 134,763.72, 202,165.80 and 43,548.72

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Solution

The fourth proportional to 134,763.72, 202,165.80 and 43,548.72 is: 65,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,763.72 : 202,165.80 = 43,548.72 : x
  2. Step 2: Convert to fraction form
    134,763.72/202,165.80 = 43,548.72/x
  3. Step 3: Cross multiply
    134,763.72x = 202,165.80 × 43,548.72
  4. Step 4: Simplify right side
    134,763.72x = 8,804,061,817.78
  5. Step 5: Solve for x
    x = 8,804,061,817.78/134,763.72
  6. Step 6: Final answer
    x = 65,329.61

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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.