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Finding the Fourth Proportional to 114,561.60, 171,696.60 and 55,269.60

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Solution

The fourth proportional to 114,561.60, 171,696.60 and 55,269.60 is: 82,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,561.60 : 171,696.60 = 55,269.60 : x
  2. Step 2: Convert to fraction form
    114,561.60/171,696.60 = 55,269.60/x
  3. Step 3: Cross multiply
    114,561.60x = 171,696.60 × 55,269.60
  4. Step 4: Simplify right side
    114,561.60x = 9,489,602,403.36
  5. Step 5: Solve for x
    x = 9,489,602,403.36/114,561.60
  6. Step 6: Final answer
    x = 82,834.06

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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.