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Finding the Fourth Proportional to 61,343.34, 91,945.89 and 30,200.46

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Solution

The fourth proportional to 61,343.34, 91,945.89 and 30,200.46 is: 45,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,343.34 : 91,945.89 = 30,200.46 : x
  2. Step 2: Convert to fraction form
    61,343.34/91,945.89 = 30,200.46/x
  3. Step 3: Cross multiply
    61,343.34x = 91,945.89 × 30,200.46
  4. Step 4: Simplify right side
    61,343.34x = 2,776,808,173.11
  5. Step 5: Solve for x
    x = 2,776,808,173.11/61,343.34
  6. Step 6: Final answer
    x = 45,266.66

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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.