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Finding the Fourth Proportional to 70,798.50, 106,197.75 and 29,246.58

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Solution

The fourth proportional to 70,798.50, 106,197.75 and 29,246.58 is: 43,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,798.50 : 106,197.75 = 29,246.58 : x
  2. Step 2: Convert to fraction form
    70,798.50/106,197.75 = 29,246.58/x
  3. Step 3: Cross multiply
    70,798.50x = 106,197.75 × 29,246.58
  4. Step 4: Simplify right side
    70,798.50x = 3,105,920,991.20
  5. Step 5: Solve for x
    x = 3,105,920,991.20/70,798.50
  6. Step 6: Final answer
    x = 43,869.87

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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.