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Finding the Fourth Proportional to 104,729, 144,524.90 and 62,286.60

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Solution

The fourth proportional to 104,729, 144,524.90 and 62,286.60 is: 85,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,729 : 144,524.90 = 62,286.60 : x
  2. Step 2: Convert to fraction form
    104,729/144,524.90 = 62,286.60/x
  3. Step 3: Cross multiply
    104,729x = 144,524.90 × 62,286.60
  4. Step 4: Simplify right side
    104,729x = 9,001,964,636.34
  5. Step 5: Solve for x
    x = 9,001,964,636.34/104,729
  6. Step 6: Final answer
    x = 85,954.84

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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.