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Finding the Fourth Proportional to 104,514.30, 144,231.30 and 56,768.58

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Solution

The fourth proportional to 104,514.30, 144,231.30 and 56,768.58 is: 78,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,514.30 : 144,231.30 = 56,768.58 : x
  2. Step 2: Convert to fraction form
    104,514.30/144,231.30 = 56,768.58/x
  3. Step 3: Cross multiply
    104,514.30x = 144,231.30 × 56,768.58
  4. Step 4: Simplify right side
    104,514.30x = 8,187,806,092.55
  5. Step 5: Solve for x
    x = 8,187,806,092.55/104,514.30
  6. Step 6: Final answer
    x = 78,341.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.