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Finding the Fourth Proportional to 108,406.65, 162,656.51 and 41,893.50

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Solution

The fourth proportional to 108,406.65, 162,656.51 and 41,893.50 is: 62,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,406.65 : 162,656.51 = 41,893.50 : x
  2. Step 2: Convert to fraction form
    108,406.65/162,656.51 = 41,893.50/x
  3. Step 3: Cross multiply
    108,406.65x = 162,656.51 × 41,893.50
  4. Step 4: Simplify right side
    108,406.65x = 6,814,250,902.18
  5. Step 5: Solve for x
    x = 6,814,250,902.18/108,406.65
  6. Step 6: Final answer
    x = 62,858.23

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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.