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Finding the Fourth Proportional to 114,562.80, 171,887.40 and 55,450.80

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Solution

The fourth proportional to 114,562.80, 171,887.40 and 55,450.80 is: 83,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,562.80 : 171,887.40 = 55,450.80 : x
  2. Step 2: Convert to fraction form
    114,562.80/171,887.40 = 55,450.80/x
  3. Step 3: Cross multiply
    114,562.80x = 171,887.40 × 55,450.80
  4. Step 4: Simplify right side
    114,562.80x = 9,531,293,839.92
  5. Step 5: Solve for x
    x = 9,531,293,839.92/114,562.80
  6. Step 6: Final answer
    x = 83,197.11

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1.5x scale

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.