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Finding the Fourth Proportional to 235,671.36, 353,562.40 and 77,899.82

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Solution

The fourth proportional to 235,671.36, 353,562.40 and 77,899.82 is: 116,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,671.36 : 353,562.40 = 77,899.82 : x
  2. Step 2: Convert to fraction form
    235,671.36/353,562.40 = 77,899.82/x
  3. Step 3: Cross multiply
    235,671.36x = 353,562.40 × 77,899.82
  4. Step 4: Simplify right side
    235,671.36x = 27,542,447,318.77
  5. Step 5: Solve for x
    x = 27,542,447,318.77/235,671.36
  6. Step 6: Final answer
    x = 116,868.03

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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.