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Finding the Fourth Proportional to 104,816.90, 144,640.01 and 59,495.82

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Solution

The fourth proportional to 104,816.90, 144,640.01 and 59,495.82 is: 82,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816.90 : 144,640.01 = 59,495.82 : x
  2. Step 2: Convert to fraction form
    104,816.90/144,640.01 = 59,495.82/x
  3. Step 3: Cross multiply
    104,816.90x = 144,640.01 × 59,495.82
  4. Step 4: Simplify right side
    104,816.90x = 8,605,475,606.10
  5. Step 5: Solve for x
    x = 8,605,475,606.10/104,816.90
  6. Step 6: Final answer
    x = 82,100.08

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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.