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Finding the Fourth Proportional to 73,741.28, 110,612.28 and 18,337.28

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Solution

The fourth proportional to 73,741.28, 110,612.28 and 18,337.28 is: 27,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,741.28 : 110,612.28 = 18,337.28 : x
  2. Step 2: Convert to fraction form
    73,741.28/110,612.28 = 18,337.28/x
  3. Step 3: Cross multiply
    73,741.28x = 110,612.28 × 18,337.28
  4. Step 4: Simplify right side
    73,741.28x = 2,028,328,349.80
  5. Step 5: Solve for x
    x = 2,028,328,349.80/73,741.28
  6. Step 6: Final answer
    x = 27,506.01

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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.