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Finding the Fourth Proportional to 174,857.80, 262,286.70 and 118,870.60

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Solution

The fourth proportional to 174,857.80, 262,286.70 and 118,870.60 is: 178,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,857.80 : 262,286.70 = 118,870.60 : x
  2. Step 2: Convert to fraction form
    174,857.80/262,286.70 = 118,870.60/x
  3. Step 3: Cross multiply
    174,857.80x = 262,286.70 × 118,870.60
  4. Step 4: Simplify right side
    174,857.80x = 31,178,177,401.02
  5. Step 5: Solve for x
    x = 31,178,177,401.02/174,857.80
  6. Step 6: Final answer
    x = 178,305.90

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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.