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Finding the Fourth Proportional to 103,464.48, 155,218.56 and 33,392.64

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Solution

The fourth proportional to 103,464.48, 155,218.56 and 33,392.64 is: 50,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464.48 : 155,218.56 = 33,392.64 : x
  2. Step 2: Convert to fraction form
    103,464.48/155,218.56 = 33,392.64/x
  3. Step 3: Cross multiply
    103,464.48x = 155,218.56 × 33,392.64
  4. Step 4: Simplify right side
    103,464.48x = 5,183,157,495.40
  5. Step 5: Solve for x
    x = 5,183,157,495.40/103,464.48
  6. Step 6: Final answer
    x = 50,096.01

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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.