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Finding the Fourth Proportional to 210,605.60, 315,846 and 60,847.23

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Solution

The fourth proportional to 210,605.60, 315,846 and 60,847.23 is: 91,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,605.60 : 315,846 = 60,847.23 : x
  2. Step 2: Convert to fraction form
    210,605.60/315,846 = 60,847.23/x
  3. Step 3: Cross multiply
    210,605.60x = 315,846 × 60,847.23
  4. Step 4: Simplify right side
    210,605.60x = 19,218,354,206.58
  5. Step 5: Solve for x
    x = 19,218,354,206.58/210,605.60
  6. Step 6: Final answer
    x = 91,252.82

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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.