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Finding the Fourth Proportional to 108,650.93, 149,937.80 and 60,904.26

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Solution

The fourth proportional to 108,650.93, 149,937.80 and 60,904.26 is: 84,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,650.93 : 149,937.80 = 60,904.26 : x
  2. Step 2: Convert to fraction form
    108,650.93/149,937.80 = 60,904.26/x
  3. Step 3: Cross multiply
    108,650.93x = 149,937.80 × 60,904.26
  4. Step 4: Simplify right side
    108,650.93x = 9,131,850,450.51
  5. Step 5: Solve for x
    x = 9,131,850,450.51/108,650.93
  6. Step 6: Final answer
    x = 84,047.61

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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.