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Finding the Fourth Proportional to 225,086.85, 310,596.14 and 134,430.23

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Solution

The fourth proportional to 225,086.85, 310,596.14 and 134,430.23 is: 185,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,086.85 : 310,596.14 = 134,430.23 : x
  2. Step 2: Convert to fraction form
    225,086.85/310,596.14 = 134,430.23/x
  3. Step 3: Cross multiply
    225,086.85x = 310,596.14 × 134,430.23
  4. Step 4: Simplify right side
    225,086.85x = 41,753,508,984.33
  5. Step 5: Solve for x
    x = 41,753,508,984.33/225,086.85
  6. Step 6: Final answer
    x = 185,499.55

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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.