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Finding the Fourth Proportional to 70,543.11, 97,350.72 and 38,714.97

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Solution

The fourth proportional to 70,543.11, 97,350.72 and 38,714.97 is: 53,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,543.11 : 97,350.72 = 38,714.97 : x
  2. Step 2: Convert to fraction form
    70,543.11/97,350.72 = 38,714.97/x
  3. Step 3: Cross multiply
    70,543.11x = 97,350.72 × 38,714.97
  4. Step 4: Simplify right side
    70,543.11x = 3,768,930,204.28
  5. Step 5: Solve for x
    x = 3,768,930,204.28/70,543.11
  6. Step 6: Final answer
    x = 53,427.33

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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.