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Finding the Fourth Proportional to 108,599, 149,875.26 and 63,895.64

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Solution

The fourth proportional to 108,599, 149,875.26 and 63,895.64 is: 88,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,599 : 149,875.26 = 63,895.64 : x
  2. Step 2: Convert to fraction form
    108,599/149,875.26 = 63,895.64/x
  3. Step 3: Cross multiply
    108,599x = 149,875.26 × 63,895.64
  4. Step 4: Simplify right side
    108,599x = 9,576,375,657.87
  5. Step 5: Solve for x
    x = 9,576,375,657.87/108,599
  6. Step 6: Final answer
    x = 88,181.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.