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Finding the Fourth Proportional to 70,893.64, 97,832.44 and 40,266.53

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Solution

The fourth proportional to 70,893.64, 97,832.44 and 40,266.53 is: 55,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,893.64 : 97,832.44 = 40,266.53 : x
  2. Step 2: Convert to fraction form
    70,893.64/97,832.44 = 40,266.53/x
  3. Step 3: Cross multiply
    70,893.64x = 97,832.44 × 40,266.53
  4. Step 4: Simplify right side
    70,893.64x = 3,939,372,808.28
  5. Step 5: Solve for x
    x = 3,939,372,808.28/70,893.64
  6. Step 6: Final answer
    x = 55,567.36

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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.