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Finding the Fourth Proportional to 114,525.20, 171,917.40 and 67,804.40

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Solution

The fourth proportional to 114,525.20, 171,917.40 and 67,804.40 is: 101,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,525.20 : 171,917.40 = 67,804.40 : x
  2. Step 2: Convert to fraction form
    114,525.20/171,917.40 = 67,804.40/x
  3. Step 3: Cross multiply
    114,525.20x = 171,917.40 × 67,804.40
  4. Step 4: Simplify right side
    114,525.20x = 11,656,756,156.56
  5. Step 5: Solve for x
    x = 11,656,756,156.56/114,525.20
  6. Step 6: Final answer
    x = 101,783.33

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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.