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Finding the Fourth Proportional to 70,404.89, 97,158.96 and 38,139.84

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Solution

The fourth proportional to 70,404.89, 97,158.96 and 38,139.84 is: 52,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,404.89 : 97,158.96 = 38,139.84 : x
  2. Step 2: Convert to fraction form
    70,404.89/97,158.96 = 38,139.84/x
  3. Step 3: Cross multiply
    70,404.89x = 97,158.96 × 38,139.84
  4. Step 4: Simplify right side
    70,404.89x = 3,705,627,188.97
  5. Step 5: Solve for x
    x = 3,705,627,188.97/70,404.89
  6. Step 6: Final answer
    x = 52,633.10

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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.