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Finding the Fourth Proportional to 105,059, 144,981.42 and 67,333.26

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Solution

The fourth proportional to 105,059, 144,981.42 and 67,333.26 is: 92,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,059 : 144,981.42 = 67,333.26 : x
  2. Step 2: Convert to fraction form
    105,059/144,981.42 = 67,333.26/x
  3. Step 3: Cross multiply
    105,059x = 144,981.42 × 67,333.26
  4. Step 4: Simplify right side
    105,059x = 9,762,071,648.03
  5. Step 5: Solve for x
    x = 9,762,071,648.03/105,059
  6. Step 6: Final answer
    x = 92,919.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.