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Finding the Fourth Proportional to 451,389.26, 677,128.56 and 167,155.64

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Solution

The fourth proportional to 451,389.26, 677,128.56 and 167,155.64 is: 250,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,389.26 : 677,128.56 = 167,155.64 : x
  2. Step 2: Convert to fraction form
    451,389.26/677,128.56 = 167,155.64/x
  3. Step 3: Cross multiply
    451,389.26x = 677,128.56 × 167,155.64
  4. Step 4: Simplify right side
    451,389.26x = 113,185,857,809.08
  5. Step 5: Solve for x
    x = 113,185,857,809.08/451,389.26
  6. Step 6: Final answer
    x = 250,750.00

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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.