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Finding the Fourth Proportional to 104,066.40, 143,608.56 and 58,746

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Solution

The fourth proportional to 104,066.40, 143,608.56 and 58,746 is: 81,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,066.40 : 143,608.56 = 58,746 : x
  2. Step 2: Convert to fraction form
    104,066.40/143,608.56 = 58,746/x
  3. Step 3: Cross multiply
    104,066.40x = 143,608.56 × 58,746
  4. Step 4: Simplify right side
    104,066.40x = 8,436,428,465.76
  5. Step 5: Solve for x
    x = 8,436,428,465.76/104,066.40
  6. Step 6: Final answer
    x = 81,067.75

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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.