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Finding the Fourth Proportional to 79,832.84, 110,182.52 and 48,019.28

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Solution

The fourth proportional to 79,832.84, 110,182.52 and 48,019.28 is: 66,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,832.84 : 110,182.52 = 48,019.28 : x
  2. Step 2: Convert to fraction form
    79,832.84/110,182.52 = 48,019.28/x
  3. Step 3: Cross multiply
    79,832.84x = 110,182.52 × 48,019.28
  4. Step 4: Simplify right side
    79,832.84x = 5,290,885,278.99
  5. Step 5: Solve for x
    x = 5,290,885,278.99/79,832.84
  6. Step 6: Final answer
    x = 66,274.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.