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Finding the Fourth Proportional to 567,431.94, 851,272.42 and 168,103.95

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Solution

The fourth proportional to 567,431.94, 851,272.42 and 168,103.95 is: 252,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,431.94 : 851,272.42 = 168,103.95 : x
  2. Step 2: Convert to fraction form
    567,431.94/851,272.42 = 168,103.95/x
  3. Step 3: Cross multiply
    567,431.94x = 851,272.42 × 168,103.95
  4. Step 4: Simplify right side
    567,431.94x = 143,102,256,328.06
  5. Step 5: Solve for x
    x = 143,102,256,328.06/567,431.94
  6. Step 6: Final answer
    x = 252,192.81

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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.