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Finding the Fourth Proportional to 96,914.88, 145,372.93 and 30,349.89

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Solution

The fourth proportional to 96,914.88, 145,372.93 and 30,349.89 is: 45,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,914.88 : 145,372.93 = 30,349.89 : x
  2. Step 2: Convert to fraction form
    96,914.88/145,372.93 = 30,349.89/x
  3. Step 3: Cross multiply
    96,914.88x = 145,372.93 × 30,349.89
  4. Step 4: Simplify right side
    96,914.88x = 4,412,052,358.60
  5. Step 5: Solve for x
    x = 4,412,052,358.60/96,914.88
  6. Step 6: Final answer
    x = 45,525.03

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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.