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Finding the Fourth Proportional to 104,674.48, 144,464.56 and 101,824.66

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Solution

The fourth proportional to 104,674.48, 144,464.56 and 101,824.66 is: 140,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,674.48 : 144,464.56 = 101,824.66 : x
  2. Step 2: Convert to fraction form
    104,674.48/144,464.56 = 101,824.66/x
  3. Step 3: Cross multiply
    104,674.48x = 144,464.56 × 101,824.66
  4. Step 4: Simplify right side
    104,674.48x = 14,710,055,202.83
  5. Step 5: Solve for x
    x = 14,710,055,202.83/104,674.48
  6. Step 6: Final answer
    x = 140,531.44

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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.