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Finding the Fourth Proportional to 79,903.40, 119,855.10 and 24,492.20

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Solution

The fourth proportional to 79,903.40, 119,855.10 and 24,492.20 is: 36,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.40 : 119,855.10 = 24,492.20 : x
  2. Step 2: Convert to fraction form
    79,903.40/119,855.10 = 24,492.20/x
  3. Step 3: Cross multiply
    79,903.40x = 119,855.10 × 24,492.20
  4. Step 4: Simplify right side
    79,903.40x = 2,935,515,080.22
  5. Step 5: Solve for x
    x = 2,935,515,080.22/79,903.40
  6. Step 6: Final answer
    x = 36,738.30

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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.