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Finding the Fourth Proportional to 108,360, 149,543.43 and 60,616.56

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Solution

The fourth proportional to 108,360, 149,543.43 and 60,616.56 is: 83,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,360 : 149,543.43 = 60,616.56 : x
  2. Step 2: Convert to fraction form
    108,360/149,543.43 = 60,616.56/x
  3. Step 3: Cross multiply
    108,360x = 149,543.43 × 60,616.56
  4. Step 4: Simplify right side
    108,360x = 9,064,808,297.20
  5. Step 5: Solve for x
    x = 9,064,808,297.20/108,360
  6. Step 6: Final answer
    x = 83,654.56

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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.