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Finding the Fourth Proportional to 252,939, 379,224.05 and 146,172.45

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Solution

The fourth proportional to 252,939, 379,224.05 and 146,172.45 is: 219,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,939 : 379,224.05 = 146,172.45 : x
  2. Step 2: Convert to fraction form
    252,939/379,224.05 = 146,172.45/x
  3. Step 3: Cross multiply
    252,939x = 379,224.05 × 146,172.45
  4. Step 4: Simplify right side
    252,939x = 55,432,107,756.56
  5. Step 5: Solve for x
    x = 55,432,107,756.56/252,939
  6. Step 6: Final answer
    x = 219,152.08

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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.