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Finding the Fourth Proportional to 70,893, 97,832.34 and 39,061.89

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Solution

The fourth proportional to 70,893, 97,832.34 and 39,061.89 is: 53,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,893 : 97,832.34 = 39,061.89 : x
  2. Step 2: Convert to fraction form
    70,893/97,832.34 = 39,061.89/x
  3. Step 3: Cross multiply
    70,893x = 97,832.34 × 39,061.89
  4. Step 4: Simplify right side
    70,893x = 3,821,516,103.52
  5. Step 5: Solve for x
    x = 3,821,516,103.52/70,893
  6. Step 6: Final answer
    x = 53,905.41

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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.