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Finding the Fourth Proportional to 104,383.44, 144,048.93 and 56,636.78

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Solution

The fourth proportional to 104,383.44, 144,048.93 and 56,636.78 is: 78,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,383.44 : 144,048.93 = 56,636.78 : x
  2. Step 2: Convert to fraction form
    104,383.44/144,048.93 = 56,636.78/x
  3. Step 3: Cross multiply
    104,383.44x = 144,048.93 × 56,636.78
  4. Step 4: Simplify right side
    104,383.44x = 8,158,466,837.40
  5. Step 5: Solve for x
    x = 8,158,466,837.40/104,383.44
  6. Step 6: Final answer
    x = 78,158.63

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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.