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Finding the Fourth Proportional to 79,908.48, 119,904.58 and 30,023

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Solution

The fourth proportional to 79,908.48, 119,904.58 and 30,023 is: 45,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,908.48 : 119,904.58 = 30,023 : x
  2. Step 2: Convert to fraction form
    79,908.48/119,904.58 = 30,023/x
  3. Step 3: Cross multiply
    79,908.48x = 119,904.58 × 30,023
  4. Step 4: Simplify right side
    79,908.48x = 3,599,895,205.34
  5. Step 5: Solve for x
    x = 3,599,895,205.34/79,908.48
  6. Step 6: Final answer
    x = 45,050.23

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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.