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Finding the Fourth Proportional to 356,735.68, 535,158.87 and 120,059.89

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Solution

The fourth proportional to 356,735.68, 535,158.87 and 120,059.89 is: 180,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,735.68 : 535,158.87 = 120,059.89 : x
  2. Step 2: Convert to fraction form
    356,735.68/535,158.87 = 120,059.89/x
  3. Step 3: Cross multiply
    356,735.68x = 535,158.87 × 120,059.89
  4. Step 4: Simplify right side
    356,735.68x = 64,251,115,064.72
  5. Step 5: Solve for x
    x = 64,251,115,064.72/356,735.68
  6. Step 6: Final answer
    x = 180,108.46

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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.