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Finding the Fourth Proportional to 368,406.12, 552,609.22 and 102,166.68

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Solution

The fourth proportional to 368,406.12, 552,609.22 and 102,166.68 is: 153,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,406.12 : 552,609.22 = 102,166.68 : x
  2. Step 2: Convert to fraction form
    368,406.12/552,609.22 = 102,166.68/x
  3. Step 3: Cross multiply
    368,406.12x = 552,609.22 × 102,166.68
  4. Step 4: Simplify right side
    368,406.12x = 56,458,249,344.79
  5. Step 5: Solve for x
    x = 56,458,249,344.79/368,406.12
  6. Step 6: Final answer
    x = 153,250.03

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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.