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Finding the Fourth Proportional to 76,033.80, 113,886.68 and 62,911.80

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Solution

The fourth proportional to 76,033.80, 113,886.68 and 62,911.80 is: 94,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,033.80 : 113,886.68 = 62,911.80 : x
  2. Step 2: Convert to fraction form
    76,033.80/113,886.68 = 62,911.80/x
  3. Step 3: Cross multiply
    76,033.80x = 113,886.68 × 62,911.80
  4. Step 4: Simplify right side
    76,033.80x = 7,164,815,720.27
  5. Step 5: Solve for x
    x = 7,164,815,720.27/76,033.80
  6. Step 6: Final answer
    x = 94,231.98

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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.