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Finding the Fourth Proportional to 104,804.64, 157,198.32 and 34,660.80

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Solution

The fourth proportional to 104,804.64, 157,198.32 and 34,660.80 is: 51,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,804.64 : 157,198.32 = 34,660.80 : x
  2. Step 2: Convert to fraction form
    104,804.64/157,198.32 = 34,660.80/x
  3. Step 3: Cross multiply
    104,804.64x = 157,198.32 × 34,660.80
  4. Step 4: Simplify right side
    104,804.64x = 5,448,619,529.86
  5. Step 5: Solve for x
    x = 5,448,619,529.86/104,804.64
  6. Step 6: Final answer
    x = 51,988.34

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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.