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Finding the Fourth Proportional to 228,334.86, 315,165.51 and 132,860.07

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Solution

The fourth proportional to 228,334.86, 315,165.51 and 132,860.07 is: 183,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,334.86 : 315,165.51 = 132,860.07 : x
  2. Step 2: Convert to fraction form
    228,334.86/315,165.51 = 132,860.07/x
  3. Step 3: Cross multiply
    228,334.86x = 315,165.51 × 132,860.07
  4. Step 4: Simplify right side
    228,334.86x = 41,872,911,720.19
  5. Step 5: Solve for x
    x = 41,872,911,720.19/228,334.86
  6. Step 6: Final answer
    x = 183,383.79

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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.