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Finding the Fourth Proportional to 356,735.43, 535,158.43 and 120,059.64

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Solution

The fourth proportional to 356,735.43, 535,158.43 and 120,059.64 is: 180,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,735.43 : 535,158.43 = 120,059.64 : x
  2. Step 2: Convert to fraction form
    356,735.43/535,158.43 = 120,059.64/x
  3. Step 3: Cross multiply
    356,735.43x = 535,158.43 × 120,059.64
  4. Step 4: Simplify right side
    356,735.43x = 64,250,928,148.62
  5. Step 5: Solve for x
    x = 64,250,928,148.62/356,735.43
  6. Step 6: Final answer
    x = 180,108.07

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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.