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Finding the Fourth Proportional to 61,662.42, 92,493.60 and 56,847.36

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Solution

The fourth proportional to 61,662.42, 92,493.60 and 56,847.36 is: 85,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662.42 : 92,493.60 = 56,847.36 : x
  2. Step 2: Convert to fraction form
    61,662.42/92,493.60 = 56,847.36/x
  3. Step 3: Cross multiply
    61,662.42x = 92,493.60 × 56,847.36
  4. Step 4: Simplify right side
    61,662.42x = 5,258,016,976.90
  5. Step 5: Solve for x
    x = 5,258,016,976.90/61,662.42
  6. Step 6: Final answer
    x = 85,271.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.