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Finding the Fourth Proportional to 275,366.88, 412,809.75 and 106,771.05

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Solution

The fourth proportional to 275,366.88, 412,809.75 and 106,771.05 is: 160,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,366.88 : 412,809.75 = 106,771.05 : x
  2. Step 2: Convert to fraction form
    275,366.88/412,809.75 = 106,771.05/x
  3. Step 3: Cross multiply
    275,366.88x = 412,809.75 × 106,771.05
  4. Step 4: Simplify right side
    275,366.88x = 44,076,130,457.74
  5. Step 5: Solve for x
    x = 44,076,130,457.74/275,366.88
  6. Step 6: Final answer
    x = 160,063.30

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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.