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Finding the Fourth Proportional to 104,540.88, 144,256.01 and 59,209.82

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Solution

The fourth proportional to 104,540.88, 144,256.01 and 59,209.82 is: 81,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,540.88 : 144,256.01 = 59,209.82 : x
  2. Step 2: Convert to fraction form
    104,540.88/144,256.01 = 59,209.82/x
  3. Step 3: Cross multiply
    104,540.88x = 144,256.01 × 59,209.82
  4. Step 4: Simplify right side
    104,540.88x = 8,541,371,368.69
  5. Step 5: Solve for x
    x = 8,541,371,368.69/104,540.88
  6. Step 6: Final answer
    x = 81,703.65

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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.