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Finding the Fourth Proportional to 108,358, 149,540.67 and 60,614.56

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Solution

The fourth proportional to 108,358, 149,540.67 and 60,614.56 is: 83,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,358 : 149,540.67 = 60,614.56 : x
  2. Step 2: Convert to fraction form
    108,358/149,540.67 = 60,614.56/x
  3. Step 3: Cross multiply
    108,358x = 149,540.67 × 60,614.56
  4. Step 4: Simplify right side
    108,358x = 9,064,341,914.16
  5. Step 5: Solve for x
    x = 9,064,341,914.16/108,358
  6. Step 6: Final answer
    x = 83,651.80

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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.