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Finding the Fourth Proportional to 104,173, 143,778.18 and 59,461

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Solution

The fourth proportional to 104,173, 143,778.18 and 59,461 is: 82,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,173 : 143,778.18 = 59,461 : x
  2. Step 2: Convert to fraction form
    104,173/143,778.18 = 59,461/x
  3. Step 3: Cross multiply
    104,173x = 143,778.18 × 59,461
  4. Step 4: Simplify right side
    104,173x = 8,549,194,360.98
  5. Step 5: Solve for x
    x = 8,549,194,360.98/104,173
  6. Step 6: Final answer
    x = 82,067.28

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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.