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Finding the Fourth Proportional to 104,079.60, 156,119.76 and 25,193.70

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Solution

The fourth proportional to 104,079.60, 156,119.76 and 25,193.70 is: 37,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,079.60 : 156,119.76 = 25,193.70 : x
  2. Step 2: Convert to fraction form
    104,079.60/156,119.76 = 25,193.70/x
  3. Step 3: Cross multiply
    104,079.60x = 156,119.76 × 25,193.70
  4. Step 4: Simplify right side
    104,079.60x = 3,933,234,397.51
  5. Step 5: Solve for x
    x = 3,933,234,397.51/104,079.60
  6. Step 6: Final answer
    x = 37,790.64

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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.