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Finding the Fourth Proportional to 73,103.43, 100,898.73 and 46,281.70

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Solution

The fourth proportional to 73,103.43, 100,898.73 and 46,281.70 is: 63,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,103.43 : 100,898.73 = 46,281.70 : x
  2. Step 2: Convert to fraction form
    73,103.43/100,898.73 = 46,281.70/x
  3. Step 3: Cross multiply
    73,103.43x = 100,898.73 × 46,281.70
  4. Step 4: Simplify right side
    73,103.43x = 4,669,764,752.24
  5. Step 5: Solve for x
    x = 4,669,764,752.24/73,103.43
  6. Step 6: Final answer
    x = 63,878.87

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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.