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Finding the Fourth Proportional to 79,806.86, 119,684.24 and 26,484.51

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Solution

The fourth proportional to 79,806.86, 119,684.24 and 26,484.51 is: 39,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,806.86 : 119,684.24 = 26,484.51 : x
  2. Step 2: Convert to fraction form
    79,806.86/119,684.24 = 26,484.51/x
  3. Step 3: Cross multiply
    79,806.86x = 119,684.24 × 26,484.51
  4. Step 4: Simplify right side
    79,806.86x = 3,169,778,684.12
  5. Step 5: Solve for x
    x = 3,169,778,684.12/79,806.86
  6. Step 6: Final answer
    x = 39,718.12

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Why These Related Problems?

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