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Finding the Fourth Proportional to 235,109.63, 324,672.63 and 163,684.91

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Solution

The fourth proportional to 235,109.63, 324,672.63 and 163,684.91 is: 226,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,109.63 : 324,672.63 = 163,684.91 : x
  2. Step 2: Convert to fraction form
    235,109.63/324,672.63 = 163,684.91/x
  3. Step 3: Cross multiply
    235,109.63x = 324,672.63 × 163,684.91
  4. Step 4: Simplify right side
    235,109.63x = 53,144,010,221.01
  5. Step 5: Solve for x
    x = 53,144,010,221.01/235,109.63
  6. Step 6: Final answer
    x = 226,039.27

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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.