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Finding the Fourth Proportional to 104,455, 144,145.87 and 59,141.58

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Solution

The fourth proportional to 104,455, 144,145.87 and 59,141.58 is: 81,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,455 : 144,145.87 = 59,141.58 : x
  2. Step 2: Convert to fraction form
    104,455/144,145.87 = 59,141.58/x
  3. Step 3: Cross multiply
    104,455x = 144,145.87 × 59,141.58
  4. Step 4: Simplify right side
    104,455x = 8,525,014,502.27
  5. Step 5: Solve for x
    x = 8,525,014,502.27/104,455
  6. Step 6: Final answer
    x = 81,614.23

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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.