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Finding the Fourth Proportional to 92,893.76, 128,193.38 and 50,452.29

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Solution

The fourth proportional to 92,893.76, 128,193.38 and 50,452.29 is: 69,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.76 : 128,193.38 = 50,452.29 : x
  2. Step 2: Convert to fraction form
    92,893.76/128,193.38 = 50,452.29/x
  3. Step 3: Cross multiply
    92,893.76x = 128,193.38 × 50,452.29
  4. Step 4: Simplify right side
    92,893.76x = 6,467,649,331.58
  5. Step 5: Solve for x
    x = 6,467,649,331.58/92,893.76
  6. Step 6: Final answer
    x = 69,624.16

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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.