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Finding the Fourth Proportional to 80,296.52, 110,812.05 and 48,459.20

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Solution

The fourth proportional to 80,296.52, 110,812.05 and 48,459.20 is: 66,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,296.52 : 110,812.05 = 48,459.20 : x
  2. Step 2: Convert to fraction form
    80,296.52/110,812.05 = 48,459.20/x
  3. Step 3: Cross multiply
    80,296.52x = 110,812.05 × 48,459.20
  4. Step 4: Simplify right side
    80,296.52x = 5,369,862,739.30
  5. Step 5: Solve for x
    x = 5,369,862,739.30/80,296.52
  6. Step 6: Final answer
    x = 66,875.41

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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.