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Finding the Fourth Proportional to 238,545, 328,845.18 and 166,701.96

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Solution

The fourth proportional to 238,545, 328,845.18 and 166,701.96 is: 229,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,545 : 328,845.18 = 166,701.96 : x
  2. Step 2: Convert to fraction form
    238,545/328,845.18 = 166,701.96/x
  3. Step 3: Cross multiply
    238,545x = 328,845.18 × 166,701.96
  4. Step 4: Simplify right side
    238,545x = 54,819,136,042.55
  5. Step 5: Solve for x
    x = 54,819,136,042.55/238,545
  6. Step 6: Final answer
    x = 229,806.27

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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.