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Finding the Fourth Proportional to 127,154.34, 190,731.60 and 44,048.34

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Solution

The fourth proportional to 127,154.34, 190,731.60 and 44,048.34 is: 66,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,154.34 : 190,731.60 = 44,048.34 : x
  2. Step 2: Convert to fraction form
    127,154.34/190,731.60 = 44,048.34/x
  3. Step 3: Cross multiply
    127,154.34x = 190,731.60 × 44,048.34
  4. Step 4: Simplify right side
    127,154.34x = 8,401,410,365.54
  5. Step 5: Solve for x
    x = 8,401,410,365.54/127,154.34
  6. Step 6: Final answer
    x = 66,072.54

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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.