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Finding the Fourth Proportional to 79,262, 118,809.20 and 29,310.04

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Solution

The fourth proportional to 79,262, 118,809.20 and 29,310.04 is: 43,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,262 : 118,809.20 = 29,310.04 : x
  2. Step 2: Convert to fraction form
    79,262/118,809.20 = 29,310.04/x
  3. Step 3: Cross multiply
    79,262x = 118,809.20 × 29,310.04
  4. Step 4: Simplify right side
    79,262x = 3,482,302,404.37
  5. Step 5: Solve for x
    x = 3,482,302,404.37/79,262
  6. Step 6: Final answer
    x = 43,934.07

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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.