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Finding the Fourth Proportional to 70,498.42, 97,287.96 and 38,667.58

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Solution

The fourth proportional to 70,498.42, 97,287.96 and 38,667.58 is: 53,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,498.42 : 97,287.96 = 38,667.58 : x
  2. Step 2: Convert to fraction form
    70,498.42/97,287.96 = 38,667.58/x
  3. Step 3: Cross multiply
    70,498.42x = 97,287.96 × 38,667.58
  4. Step 4: Simplify right side
    70,498.42x = 3,761,889,976.34
  5. Step 5: Solve for x
    x = 3,761,889,976.34/70,498.42
  6. Step 6: Final answer
    x = 53,361.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.