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Finding the Fourth Proportional to 208,672.01, 313,020.71 and 58,923.60

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Solution

The fourth proportional to 208,672.01, 313,020.71 and 58,923.60 is: 88,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,672.01 : 313,020.71 = 58,923.60 : x
  2. Step 2: Convert to fraction form
    208,672.01/313,020.71 = 58,923.60/x
  3. Step 3: Cross multiply
    208,672.01x = 313,020.71 × 58,923.60
  4. Step 4: Simplify right side
    208,672.01x = 18,444,305,639.31
  5. Step 5: Solve for x
    x = 18,444,305,639.31/208,672.01
  6. Step 6: Final answer
    x = 88,388.98

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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.