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Finding the Fourth Proportional to 146,563.80, 219,845.70 and 94,075.80

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Solution

The fourth proportional to 146,563.80, 219,845.70 and 94,075.80 is: 141,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,563.80 : 219,845.70 = 94,075.80 : x
  2. Step 2: Convert to fraction form
    146,563.80/219,845.70 = 94,075.80/x
  3. Step 3: Cross multiply
    146,563.80x = 219,845.70 × 94,075.80
  4. Step 4: Simplify right side
    146,563.80x = 20,682,160,104.06
  5. Step 5: Solve for x
    x = 20,682,160,104.06/146,563.80
  6. Step 6: Final answer
    x = 141,113.70

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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.