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Finding the Fourth Proportional to 79,967.48, 110,328.90 and 48,124.76

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Solution

The fourth proportional to 79,967.48, 110,328.90 and 48,124.76 is: 66,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,967.48 : 110,328.90 = 48,124.76 : x
  2. Step 2: Convert to fraction form
    79,967.48/110,328.90 = 48,124.76/x
  3. Step 3: Cross multiply
    79,967.48x = 110,328.90 × 48,124.76
  4. Step 4: Simplify right side
    79,967.48x = 5,309,551,833.56
  5. Step 5: Solve for x
    x = 5,309,551,833.56/79,967.48
  6. Step 6: Final answer
    x = 66,396.39

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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.