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Finding the Fourth Proportional to 63,992.40, 96,031.80 and 41,751.60

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Solution

The fourth proportional to 63,992.40, 96,031.80 and 41,751.60 is: 62,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.40 : 96,031.80 = 41,751.60 : x
  2. Step 2: Convert to fraction form
    63,992.40/96,031.80 = 41,751.60/x
  3. Step 3: Cross multiply
    63,992.40x = 96,031.80 × 41,751.60
  4. Step 4: Simplify right side
    63,992.40x = 4,009,481,300.88
  5. Step 5: Solve for x
    x = 4,009,481,300.88/63,992.40
  6. Step 6: Final answer
    x = 62,655.59

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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.