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Finding the Fourth Proportional to 188,314.26, 282,471.21 and 48,072.93

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Solution

The fourth proportional to 188,314.26, 282,471.21 and 48,072.93 is: 72,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,314.26 : 282,471.21 = 48,072.93 : x
  2. Step 2: Convert to fraction form
    188,314.26/282,471.21 = 48,072.93/x
  3. Step 3: Cross multiply
    188,314.26x = 282,471.21 × 48,072.93
  4. Step 4: Simplify right side
    188,314.26x = 13,579,218,705.35
  5. Step 5: Solve for x
    x = 13,579,218,705.35/188,314.26
  6. Step 6: Final answer
    x = 72,109.35

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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.