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Finding the Fourth Proportional to 368,346.26, 552,464.64 and 102,079.01

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Solution

The fourth proportional to 368,346.26, 552,464.64 and 102,079.01 is: 153,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,346.26 : 552,464.64 = 102,079.01 : x
  2. Step 2: Convert to fraction form
    368,346.26/552,464.64 = 102,079.01/x
  3. Step 3: Cross multiply
    368,346.26x = 552,464.64 × 102,079.01
  4. Step 4: Simplify right side
    368,346.26x = 56,395,040,748.88
  5. Step 5: Solve for x
    x = 56,395,040,748.88/368,346.26
  6. Step 6: Final answer
    x = 153,103.34

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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.