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Finding the Fourth Proportional to 293,166.60, 439,821.90 and 82,801.80

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Solution

The fourth proportional to 293,166.60, 439,821.90 and 82,801.80 is: 124,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,166.60 : 439,821.90 = 82,801.80 : x
  2. Step 2: Convert to fraction form
    293,166.60/439,821.90 = 82,801.80/x
  3. Step 3: Cross multiply
    293,166.60x = 439,821.90 × 82,801.80
  4. Step 4: Simplify right side
    293,166.60x = 36,418,044,999.42
  5. Step 5: Solve for x
    x = 36,418,044,999.42/293,166.60
  6. Step 6: Final answer
    x = 124,223.04

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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.