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Finding the Fourth Proportional to 135,622.68, 203,410.80 and 35,783.91

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Solution

The fourth proportional to 135,622.68, 203,410.80 and 35,783.91 is: 53,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,622.68 : 203,410.80 = 35,783.91 : x
  2. Step 2: Convert to fraction form
    135,622.68/203,410.80 = 35,783.91/x
  3. Step 3: Cross multiply
    135,622.68x = 203,410.80 × 35,783.91
  4. Step 4: Simplify right side
    135,622.68x = 7,278,833,760.23
  5. Step 5: Solve for x
    x = 7,278,833,760.23/135,622.68
  6. Step 6: Final answer
    x = 53,669.74

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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.