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Finding the Fourth Proportional to 108,614.40, 149,893.86 and 60,883.08

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Solution

The fourth proportional to 108,614.40, 149,893.86 and 60,883.08 is: 84,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,614.40 : 149,893.86 = 60,883.08 : x
  2. Step 2: Convert to fraction form
    108,614.40/149,893.86 = 60,883.08/x
  3. Step 3: Cross multiply
    108,614.40x = 149,893.86 × 60,883.08
  4. Step 4: Simplify right side
    108,614.40x = 9,125,999,869.89
  5. Step 5: Solve for x
    x = 9,125,999,869.89/108,614.40
  6. Step 6: Final answer
    x = 84,022.01

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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.