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Finding the Fourth Proportional to 104,053.74, 156,080.70 and 25,168.05

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Solution

The fourth proportional to 104,053.74, 156,080.70 and 25,168.05 is: 37,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,053.74 : 156,080.70 = 25,168.05 : x
  2. Step 2: Convert to fraction form
    104,053.74/156,080.70 = 25,168.05/x
  3. Step 3: Cross multiply
    104,053.74x = 156,080.70 × 25,168.05
  4. Step 4: Simplify right side
    104,053.74x = 3,928,246,861.64
  5. Step 5: Solve for x
    x = 3,928,246,861.64/104,053.74
  6. Step 6: Final answer
    x = 37,752.10

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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.