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Finding the Fourth Proportional to 235,671.48, 353,562.60 and 77,899.94

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Solution

The fourth proportional to 235,671.48, 353,562.60 and 77,899.94 is: 116,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,671.48 : 353,562.60 = 77,899.94 : x
  2. Step 2: Convert to fraction form
    235,671.48/353,562.60 = 77,899.94/x
  3. Step 3: Cross multiply
    235,671.48x = 353,562.60 × 77,899.94
  4. Step 4: Simplify right side
    235,671.48x = 27,542,504,936.74
  5. Step 5: Solve for x
    x = 27,542,504,936.74/235,671.48
  6. Step 6: Final answer
    x = 116,868.21

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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.