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Finding the Fourth Proportional to 73,509.88, 110,126.08 and 43,434.38

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Solution

The fourth proportional to 73,509.88, 110,126.08 and 43,434.38 is: 65,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,509.88 : 110,126.08 = 43,434.38 : x
  2. Step 2: Convert to fraction form
    73,509.88/110,126.08 = 43,434.38/x
  3. Step 3: Cross multiply
    73,509.88x = 110,126.08 × 43,434.38
  4. Step 4: Simplify right side
    73,509.88x = 4,783,258,006.63
  5. Step 5: Solve for x
    x = 4,783,258,006.63/73,509.88
  6. Step 6: Final answer
    x = 65,069.59

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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.