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Finding the Fourth Proportional to 73,665.46, 101,655.62 and 45,033.06

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Solution

The fourth proportional to 73,665.46, 101,655.62 and 45,033.06 is: 62,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,665.46 : 101,655.62 = 45,033.06 : x
  2. Step 2: Convert to fraction form
    73,665.46/101,655.62 = 45,033.06/x
  3. Step 3: Cross multiply
    73,665.46x = 101,655.62 × 45,033.06
  4. Step 4: Simplify right side
    73,665.46x = 4,577,863,634.80
  5. Step 5: Solve for x
    x = 4,577,863,634.80/73,665.46
  6. Step 6: Final answer
    x = 62,143.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.