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Finding the Fourth Proportional to 88,893.36, 122,672.92 and 51,167.64

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Solution

The fourth proportional to 88,893.36, 122,672.92 and 51,167.64 is: 70,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,893.36 : 122,672.92 = 51,167.64 : x
  2. Step 2: Convert to fraction form
    88,893.36/122,672.92 = 51,167.64/x
  3. Step 3: Cross multiply
    88,893.36x = 122,672.92 × 51,167.64
  4. Step 4: Simplify right side
    88,893.36x = 6,276,883,808.31
  5. Step 5: Solve for x
    x = 6,276,883,808.31/88,893.36
  6. Step 6: Final answer
    x = 70,611.39

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1.5x scale

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.