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Finding the Fourth Proportional to 104,363.83, 144,020.05 and 59,040.01

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Solution

The fourth proportional to 104,363.83, 144,020.05 and 59,040.01 is: 81,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,363.83 : 144,020.05 = 59,040.01 : x
  2. Step 2: Convert to fraction form
    104,363.83/144,020.05 = 59,040.01/x
  3. Step 3: Cross multiply
    104,363.83x = 144,020.05 × 59,040.01
  4. Step 4: Simplify right side
    104,363.83x = 8,502,945,192.20
  5. Step 5: Solve for x
    x = 8,502,945,192.20/104,363.83
  6. Step 6: Final answer
    x = 81,474.06

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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.