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Finding the Fourth Proportional to 337,187.52, 505,611.36 and 112,469.76

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Solution

The fourth proportional to 337,187.52, 505,611.36 and 112,469.76 is: 168,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,187.52 : 505,611.36 = 112,469.76 : x
  2. Step 2: Convert to fraction form
    337,187.52/505,611.36 = 112,469.76/x
  3. Step 3: Cross multiply
    337,187.52x = 505,611.36 × 112,469.76
  4. Step 4: Simplify right side
    337,187.52x = 56,865,988,312.47
  5. Step 5: Solve for x
    x = 56,865,988,312.47/337,187.52
  6. Step 6: Final answer
    x = 168,647.96

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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.