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Finding the Fourth Proportional to 108,503.10, 162,623.22 and 46,042.38

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Solution

The fourth proportional to 108,503.10, 162,623.22 and 46,042.38 is: 69,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,503.10 : 162,623.22 = 46,042.38 : x
  2. Step 2: Convert to fraction form
    108,503.10/162,623.22 = 46,042.38/x
  3. Step 3: Cross multiply
    108,503.10x = 162,623.22 × 46,042.38
  4. Step 4: Simplify right side
    108,503.10x = 7,487,560,092.06
  5. Step 5: Solve for x
    x = 7,487,560,092.06/108,503.10
  6. Step 6: Final answer
    x = 69,007.80

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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.