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Finding the Fourth Proportional to 89,616.26, 134,507.42 and 45,274.26

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Solution

The fourth proportional to 89,616.26, 134,507.42 and 45,274.26 is: 67,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,616.26 : 134,507.42 = 45,274.26 : x
  2. Step 2: Convert to fraction form
    89,616.26/134,507.42 = 45,274.26/x
  3. Step 3: Cross multiply
    89,616.26x = 134,507.42 × 45,274.26
  4. Step 4: Simplify right side
    89,616.26x = 6,089,723,905.01
  5. Step 5: Solve for x
    x = 6,089,723,905.01/89,616.26
  6. Step 6: Final answer
    x = 67,953.34

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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.