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Finding the Fourth Proportional to 79,184, 109,270.72 and 47,370.48

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Solution

The fourth proportional to 79,184, 109,270.72 and 47,370.48 is: 65,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184 : 109,270.72 = 47,370.48 : x
  2. Step 2: Convert to fraction form
    79,184/109,270.72 = 47,370.48/x
  3. Step 3: Cross multiply
    79,184x = 109,270.72 × 47,370.48
  4. Step 4: Simplify right side
    79,184x = 5,176,206,456.35
  5. Step 5: Solve for x
    x = 5,176,206,456.35/79,184
  6. Step 6: Final answer
    x = 65,369.35

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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.