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Finding the Fourth Proportional to 225,313.63, 310,911.55 and 134,651.55

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Solution

The fourth proportional to 225,313.63, 310,911.55 and 134,651.55 is: 185,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,313.63 : 310,911.55 = 134,651.55 : x
  2. Step 2: Convert to fraction form
    225,313.63/310,911.55 = 134,651.55/x
  3. Step 3: Cross multiply
    225,313.63x = 310,911.55 × 134,651.55
  4. Step 4: Simplify right side
    225,313.63x = 41,864,722,120.40
  5. Step 5: Solve for x
    x = 41,864,722,120.40/225,313.63
  6. Step 6: Final answer
    x = 185,806.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.