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Finding the Fourth Proportional to 104,398.44, 144,070.23 and 56,651.77

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Solution

The fourth proportional to 104,398.44, 144,070.23 and 56,651.77 is: 78,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,398.44 : 144,070.23 = 56,651.77 : x
  2. Step 2: Convert to fraction form
    104,398.44/144,070.23 = 56,651.77/x
  3. Step 3: Cross multiply
    104,398.44x = 144,070.23 × 56,651.77
  4. Step 4: Simplify right side
    104,398.44x = 8,161,833,607.67
  5. Step 5: Solve for x
    x = 8,161,833,607.67/104,398.44
  6. Step 6: Final answer
    x = 78,179.65

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Why These Related Problems?

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