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Finding the Fourth Proportional to 104,602.56, 144,336.51 and 61,556.46

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Solution

The fourth proportional to 104,602.56, 144,336.51 and 61,556.46 is: 84,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,602.56 : 144,336.51 = 61,556.46 : x
  2. Step 2: Convert to fraction form
    104,602.56/144,336.51 = 61,556.46/x
  3. Step 3: Cross multiply
    104,602.56x = 144,336.51 × 61,556.46
  4. Step 4: Simplify right side
    104,602.56x = 8,884,844,604.35
  5. Step 5: Solve for x
    x = 8,884,844,604.35/104,602.56
  6. Step 6: Final answer
    x = 84,939.07

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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.