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Finding the Fourth Proportional to 79,355.50, 119,066.63 and 49,394.79

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Solution

The fourth proportional to 79,355.50, 119,066.63 and 49,394.79 is: 74,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,355.50 : 119,066.63 = 49,394.79 : x
  2. Step 2: Convert to fraction form
    79,355.50/119,066.63 = 49,394.79/x
  3. Step 3: Cross multiply
    79,355.50x = 119,066.63 × 49,394.79
  4. Step 4: Simplify right side
    79,355.50x = 5,881,271,184.86
  5. Step 5: Solve for x
    x = 5,881,271,184.86/79,355.50
  6. Step 6: Final answer
    x = 74,112.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.