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Finding the Fourth Proportional to 210,221.44, 315,324.48 and 62,473.60

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Solution

The fourth proportional to 210,221.44, 315,324.48 and 62,473.60 is: 93,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,221.44 : 315,324.48 = 62,473.60 : x
  2. Step 2: Convert to fraction form
    210,221.44/315,324.48 = 62,473.60/x
  3. Step 3: Cross multiply
    210,221.44x = 315,324.48 × 62,473.60
  4. Step 4: Simplify right side
    210,221.44x = 19,699,455,433.73
  5. Step 5: Solve for x
    x = 19,699,455,433.73/210,221.44
  6. Step 6: Final answer
    x = 93,708.12

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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.