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Finding the Fourth Proportional to 73,492.28, 110,238.16 and 20,184.30

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Solution

The fourth proportional to 73,492.28, 110,238.16 and 20,184.30 is: 30,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,492.28 : 110,238.16 = 20,184.30 : x
  2. Step 2: Convert to fraction form
    73,492.28/110,238.16 = 20,184.30/x
  3. Step 3: Cross multiply
    73,492.28x = 110,238.16 × 20,184.30
  4. Step 4: Simplify right side
    73,492.28x = 2,225,080,092.89
  5. Step 5: Solve for x
    x = 2,225,080,092.89/73,492.28
  6. Step 6: Final answer
    x = 30,276.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.