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Finding the Fourth Proportional to 72,594.96, 100,196.88 and 52,231.44

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Solution

The fourth proportional to 72,594.96, 100,196.88 and 52,231.44 is: 72,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,594.96 : 100,196.88 = 52,231.44 : x
  2. Step 2: Convert to fraction form
    72,594.96/100,196.88 = 52,231.44/x
  3. Step 3: Cross multiply
    72,594.96x = 100,196.88 × 52,231.44
  4. Step 4: Simplify right side
    72,594.96x = 5,233,427,325.91
  5. Step 5: Solve for x
    x = 5,233,427,325.91/72,594.96
  6. Step 6: Final answer
    x = 72,090.78

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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.