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Finding the Fourth Proportional to 235,086.30, 324,419.08 and 134,484.30

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Solution

The fourth proportional to 235,086.30, 324,419.08 and 134,484.30 is: 185,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,086.30 : 324,419.08 = 134,484.30 : x
  2. Step 2: Convert to fraction form
    235,086.30/324,419.08 = 134,484.30/x
  3. Step 3: Cross multiply
    235,086.30x = 324,419.08 × 134,484.30
  4. Step 4: Simplify right side
    235,086.30x = 43,629,272,880.44
  5. Step 5: Solve for x
    x = 43,629,272,880.44/235,086.30
  6. Step 6: Final answer
    x = 185,588.33

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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.