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Finding the Fourth Proportional to 368,473.60, 552,634.80 and 102,167.20

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Solution

The fourth proportional to 368,473.60, 552,634.80 and 102,167.20 is: 153,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,473.60 : 552,634.80 = 102,167.20 : x
  2. Step 2: Convert to fraction form
    368,473.60/552,634.80 = 102,167.20/x
  3. Step 3: Cross multiply
    368,473.60x = 552,634.80 × 102,167.20
  4. Step 4: Simplify right side
    368,473.60x = 56,461,150,138.56
  5. Step 5: Solve for x
    x = 56,461,150,138.56/368,473.60
  6. Step 6: Final answer
    x = 153,229.84

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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.