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Finding the Fourth Proportional to 79,903.60, 119,855.40 and 24,492.40

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Solution

The fourth proportional to 79,903.60, 119,855.40 and 24,492.40 is: 36,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.60 : 119,855.40 = 24,492.40 : x
  2. Step 2: Convert to fraction form
    79,903.60/119,855.40 = 24,492.40/x
  3. Step 3: Cross multiply
    79,903.60x = 119,855.40 × 24,492.40
  4. Step 4: Simplify right side
    79,903.60x = 2,935,546,398.96
  5. Step 5: Solve for x
    x = 2,935,546,398.96/79,903.60
  6. Step 6: Final answer
    x = 36,738.60

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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.