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Finding the Fourth Proportional to 97,335.78, 134,327.93 and 54,893.40

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Solution

The fourth proportional to 97,335.78, 134,327.93 and 54,893.40 is: 75,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,335.78 : 134,327.93 = 54,893.40 : x
  2. Step 2: Convert to fraction form
    97,335.78/134,327.93 = 54,893.40/x
  3. Step 3: Cross multiply
    97,335.78x = 134,327.93 × 54,893.40
  4. Step 4: Simplify right side
    97,335.78x = 7,373,716,518.20
  5. Step 5: Solve for x
    x = 7,373,716,518.20/97,335.78
  6. Step 6: Final answer
    x = 75,755.46

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Why These Related Problems?

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