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Finding the Fourth Proportional to 275,632.86, 380,408.55 and 168,180.09

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Solution

The fourth proportional to 275,632.86, 380,408.55 and 168,180.09 is: 232,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,632.86 : 380,408.55 = 168,180.09 : x
  2. Step 2: Convert to fraction form
    275,632.86/380,408.55 = 168,180.09/x
  3. Step 3: Cross multiply
    275,632.86x = 380,408.55 × 168,180.09
  4. Step 4: Simplify right side
    275,632.86x = 63,977,144,175.77
  5. Step 5: Solve for x
    x = 63,977,144,175.77/275,632.86
  6. Step 6: Final answer
    x = 232,110.00

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1.5x scale

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.