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Finding the Fourth Proportional to 70,714.42, 97,589.40 and 43,865.58

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Solution

The fourth proportional to 70,714.42, 97,589.40 and 43,865.58 is: 60,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,714.42 : 97,589.40 = 43,865.58 : x
  2. Step 2: Convert to fraction form
    70,714.42/97,589.40 = 43,865.58/x
  3. Step 3: Cross multiply
    70,714.42x = 97,589.40 × 43,865.58
  4. Step 4: Simplify right side
    70,714.42x = 4,280,815,431.39
  5. Step 5: Solve for x
    x = 4,280,815,431.39/70,714.42
  6. Step 6: Final answer
    x = 60,536.67

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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.