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Finding the Fourth Proportional to 79,193.32, 109,245.34 and 48,968.98

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Solution

The fourth proportional to 79,193.32, 109,245.34 and 48,968.98 is: 67,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.32 : 109,245.34 = 48,968.98 : x
  2. Step 2: Convert to fraction form
    79,193.32/109,245.34 = 48,968.98/x
  3. Step 3: Cross multiply
    79,193.32x = 109,245.34 × 48,968.98
  4. Step 4: Simplify right side
    79,193.32x = 5,349,632,869.55
  5. Step 5: Solve for x
    x = 5,349,632,869.55/79,193.32
  6. Step 6: Final answer
    x = 67,551.57

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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.