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Finding the Fourth Proportional to 108,083.01, 162,935.24 and 100,857.75

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Solution

The fourth proportional to 108,083.01, 162,935.24 and 100,857.75 is: 152,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,083.01 : 162,935.24 = 100,857.75 : x
  2. Step 2: Convert to fraction form
    108,083.01/162,935.24 = 100,857.75/x
  3. Step 3: Cross multiply
    108,083.01x = 162,935.24 × 100,857.75
  4. Step 4: Simplify right side
    108,083.01x = 16,433,281,702.11
  5. Step 5: Solve for x
    x = 16,433,281,702.11/108,083.01
  6. Step 6: Final answer
    x = 152,043.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.