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Finding the Fourth Proportional to 192,668.32, 265,706.64 and 165,435.89

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Solution

The fourth proportional to 192,668.32, 265,706.64 and 165,435.89 is: 228,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,668.32 : 265,706.64 = 165,435.89 : x
  2. Step 2: Convert to fraction form
    192,668.32/265,706.64 = 165,435.89/x
  3. Step 3: Cross multiply
    192,668.32x = 265,706.64 × 165,435.89
  4. Step 4: Simplify right side
    192,668.32x = 43,957,415,131.58
  5. Step 5: Solve for x
    x = 43,957,415,131.58/192,668.32
  6. Step 6: Final answer
    x = 228,150.72

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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.