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Finding the Fourth Proportional to 74,229, 111,064.50 and 52,085.58

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Solution

The fourth proportional to 74,229, 111,064.50 and 52,085.58 is: 77,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,229 : 111,064.50 = 52,085.58 : x
  2. Step 2: Convert to fraction form
    74,229/111,064.50 = 52,085.58/x
  3. Step 3: Cross multiply
    74,229x = 111,064.50 × 52,085.58
  4. Step 4: Simplify right side
    74,229x = 5,784,858,899.91
  5. Step 5: Solve for x
    x = 5,784,858,899.91/74,229
  6. Step 6: Final answer
    x = 77,932.60

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