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Finding the Fourth Proportional to 146,907.50, 202,733.97 and 79,839.50

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Solution

The fourth proportional to 146,907.50, 202,733.97 and 79,839.50 is: 110,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,907.50 : 202,733.97 = 79,839.50 : x
  2. Step 2: Convert to fraction form
    146,907.50/202,733.97 = 79,839.50/x
  3. Step 3: Cross multiply
    146,907.50x = 202,733.97 × 79,839.50
  4. Step 4: Simplify right side
    146,907.50x = 16,186,178,797.82
  5. Step 5: Solve for x
    x = 16,186,178,797.82/146,907.50
  6. Step 6: Final answer
    x = 110,179.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.