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Finding the Fourth Proportional to 144,297.42, 216,469.84 and 44,457.64

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Solution

The fourth proportional to 144,297.42, 216,469.84 and 44,457.64 is: 66,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,297.42 : 216,469.84 = 44,457.64 : x
  2. Step 2: Convert to fraction form
    144,297.42/216,469.84 = 44,457.64/x
  3. Step 3: Cross multiply
    144,297.42x = 216,469.84 × 44,457.64
  4. Step 4: Simplify right side
    144,297.42x = 9,623,738,217.58
  5. Step 5: Solve for x
    x = 9,623,738,217.58/144,297.42
  6. Step 6: Final answer
    x = 66,693.76

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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.