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Finding the Fourth Proportional to 114,816.40, 171,917.40 and 73,037.20

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Solution

The fourth proportional to 114,816.40, 171,917.40 and 73,037.20 is: 109,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,816.40 : 171,917.40 = 73,037.20 : x
  2. Step 2: Convert to fraction form
    114,816.40/171,917.40 = 73,037.20/x
  3. Step 3: Cross multiply
    114,816.40x = 171,917.40 × 73,037.20
  4. Step 4: Simplify right side
    114,816.40x = 12,556,365,527.28
  5. Step 5: Solve for x
    x = 12,556,365,527.28/114,816.40
  6. Step 6: Final answer
    x = 109,360.38

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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.