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Finding the Fourth Proportional to 104,003.20, 156,004.80 and 93,116.80

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Solution

The fourth proportional to 104,003.20, 156,004.80 and 93,116.80 is: 139,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,003.20 : 156,004.80 = 93,116.80 : x
  2. Step 2: Convert to fraction form
    104,003.20/156,004.80 = 93,116.80/x
  3. Step 3: Cross multiply
    104,003.20x = 156,004.80 × 93,116.80
  4. Step 4: Simplify right side
    104,003.20x = 14,526,667,760.64
  5. Step 5: Solve for x
    x = 14,526,667,760.64/104,003.20
  6. Step 6: Final answer
    x = 139,675.20

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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.