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Finding the Fourth Proportional to 108,590.94, 149,854.05 and 60,845.22

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Solution

The fourth proportional to 108,590.94, 149,854.05 and 60,845.22 is: 83,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590.94 : 149,854.05 = 60,845.22 : x
  2. Step 2: Convert to fraction form
    108,590.94/149,854.05 = 60,845.22/x
  3. Step 3: Cross multiply
    108,590.94x = 149,854.05 × 60,845.22
  4. Step 4: Simplify right side
    108,590.94x = 9,117,902,640.14
  5. Step 5: Solve for x
    x = 9,117,902,640.14/108,590.94
  6. Step 6: Final answer
    x = 83,965.59

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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.