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Finding the Fourth Proportional to 73,097.85, 109,669.05 and 30,955.98

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Solution

The fourth proportional to 73,097.85, 109,669.05 and 30,955.98 is: 46,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,097.85 : 109,669.05 = 30,955.98 : x
  2. Step 2: Convert to fraction form
    73,097.85/109,669.05 = 30,955.98/x
  3. Step 3: Cross multiply
    73,097.85x = 109,669.05 × 30,955.98
  4. Step 4: Simplify right side
    73,097.85x = 3,394,912,918.42
  5. Step 5: Solve for x
    x = 3,394,912,918.42/73,097.85
  6. Step 6: Final answer
    x = 46,443.40

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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.