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Finding the Fourth Proportional to 108,407.82, 162,653.64 and 41,829.46

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Solution

The fourth proportional to 108,407.82, 162,653.64 and 41,829.46 is: 62,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,407.82 : 162,653.64 = 41,829.46 : x
  2. Step 2: Convert to fraction form
    108,407.82/162,653.64 = 41,829.46/x
  3. Step 3: Cross multiply
    108,407.82x = 162,653.64 × 41,829.46
  4. Step 4: Simplify right side
    108,407.82x = 6,803,714,632.60
  5. Step 5: Solve for x
    x = 6,803,714,632.60/108,407.82
  6. Step 6: Final answer
    x = 62,760.37

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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.