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Finding the Fourth Proportional to 73,377.79, 110,103.61 and 54,695.34

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Solution

The fourth proportional to 73,377.79, 110,103.61 and 54,695.34 is: 82,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,377.79 : 110,103.61 = 54,695.34 : x
  2. Step 2: Convert to fraction form
    73,377.79/110,103.61 = 54,695.34/x
  3. Step 3: Cross multiply
    73,377.79x = 110,103.61 × 54,695.34
  4. Step 4: Simplify right side
    73,377.79x = 6,022,154,384.18
  5. Step 5: Solve for x
    x = 6,022,154,384.18/73,377.79
  6. Step 6: Final answer
    x = 82,070.54

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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.