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Finding the Fourth Proportional to 61,226.40, 91,829.52 and 57,241.44

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Solution

The fourth proportional to 61,226.40, 91,829.52 and 57,241.44 is: 85,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,226.40 : 91,829.52 = 57,241.44 : x
  2. Step 2: Convert to fraction form
    61,226.40/91,829.52 = 57,241.44/x
  3. Step 3: Cross multiply
    61,226.40x = 91,829.52 × 57,241.44
  4. Step 4: Simplify right side
    61,226.40x = 5,256,453,959.31
  5. Step 5: Solve for x
    x = 5,256,453,959.31/61,226.40
  6. Step 6: Final answer
    x = 85,852.74

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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.