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Finding the Fourth Proportional to 100,277.72, 150,416.81 and 25,397.88

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Solution

The fourth proportional to 100,277.72, 150,416.81 and 25,397.88 is: 38,096.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,277.72 : 150,416.81 = 25,397.88 : x
  2. Step 2: Convert to fraction form
    100,277.72/150,416.81 = 25,397.88/x
  3. Step 3: Cross multiply
    100,277.72x = 150,416.81 × 25,397.88
  4. Step 4: Simplify right side
    100,277.72x = 3,820,268,090.36
  5. Step 5: Solve for x
    x = 3,820,268,090.36/100,277.72
  6. Step 6: Final answer
    x = 38,096.88

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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.