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Finding the Fourth Proportional to 114,460.80, 171,642.60 and 55,314.60

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Solution

The fourth proportional to 114,460.80, 171,642.60 and 55,314.60 is: 82,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,460.80 : 171,642.60 = 55,314.60 : x
  2. Step 2: Convert to fraction form
    114,460.80/171,642.60 = 55,314.60/x
  3. Step 3: Cross multiply
    114,460.80x = 171,642.60 × 55,314.60
  4. Step 4: Simplify right side
    114,460.80x = 9,494,341,761.96
  5. Step 5: Solve for x
    x = 9,494,341,761.96/114,460.80
  6. Step 6: Final answer
    x = 82,948.41

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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.