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Finding the Fourth Proportional to 117,485.21, 175,960.31 and 92,025.78

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Solution

The fourth proportional to 117,485.21, 175,960.31 and 92,025.78 is: 137,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,485.21 : 175,960.31 = 92,025.78 : x
  2. Step 2: Convert to fraction form
    117,485.21/175,960.31 = 92,025.78/x
  3. Step 3: Cross multiply
    117,485.21x = 175,960.31 × 92,025.78
  4. Step 4: Simplify right side
    117,485.21x = 16,192,884,316.66
  5. Step 5: Solve for x
    x = 16,192,884,316.66/117,485.21
  6. Step 6: Final answer
    x = 137,829.14

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1.5x scale

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.