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Finding the Fourth Proportional to 79,329.78, 109,478.03 and 47,081.10

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Solution

The fourth proportional to 79,329.78, 109,478.03 and 47,081.10 is: 64,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,329.78 : 109,478.03 = 47,081.10 : x
  2. Step 2: Convert to fraction form
    79,329.78/109,478.03 = 47,081.10/x
  3. Step 3: Cross multiply
    79,329.78x = 109,478.03 × 47,081.10
  4. Step 4: Simplify right side
    79,329.78x = 5,154,345,902.39
  5. Step 5: Solve for x
    x = 5,154,345,902.39/79,329.78
  6. Step 6: Final answer
    x = 64,973.66

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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.