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Finding the Fourth Proportional to 104,283.85, 156,425.78 and 100,201.45

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Solution

The fourth proportional to 104,283.85, 156,425.78 and 100,201.45 is: 150,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,283.85 : 156,425.78 = 100,201.45 : x
  2. Step 2: Convert to fraction form
    104,283.85/156,425.78 = 100,201.45/x
  3. Step 3: Cross multiply
    104,283.85x = 156,425.78 × 100,201.45
  4. Step 4: Simplify right side
    104,283.85x = 15,674,089,472.37
  5. Step 5: Solve for x
    x = 15,674,089,472.37/104,283.85
  6. Step 6: Final answer
    x = 150,302.18

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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.