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Finding the Fourth Proportional to 74,810.44, 103,207.46 and 52,162.84

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Solution

The fourth proportional to 74,810.44, 103,207.46 and 52,162.84 is: 71,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810.44 : 103,207.46 = 52,162.84 : x
  2. Step 2: Convert to fraction form
    74,810.44/103,207.46 = 52,162.84/x
  3. Step 3: Cross multiply
    74,810.44x = 103,207.46 × 52,162.84
  4. Step 4: Simplify right side
    74,810.44x = 5,383,594,222.79
  5. Step 5: Solve for x
    x = 5,383,594,222.79/74,810.44
  6. Step 6: Final answer
    x = 71,963.14

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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.