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Finding the Fourth Proportional to 70,404.19, 97,157.78 and 38,573.82

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Solution

The fourth proportional to 70,404.19, 97,157.78 and 38,573.82 is: 53,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,404.19 : 97,157.78 = 38,573.82 : x
  2. Step 2: Convert to fraction form
    70,404.19/97,157.78 = 38,573.82/x
  3. Step 3: Cross multiply
    70,404.19x = 97,157.78 × 38,573.82
  4. Step 4: Simplify right side
    70,404.19x = 3,747,746,669.10
  5. Step 5: Solve for x
    x = 3,747,746,669.10/70,404.19
  6. Step 6: Final answer
    x = 53,231.87

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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.