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Finding the Fourth Proportional to 108,285.93, 149,448.47 and 60,541.88

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Solution

The fourth proportional to 108,285.93, 149,448.47 and 60,541.88 is: 83,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,285.93 : 149,448.47 = 60,541.88 : x
  2. Step 2: Convert to fraction form
    108,285.93/149,448.47 = 60,541.88/x
  3. Step 3: Cross multiply
    108,285.93x = 149,448.47 × 60,541.88
  4. Step 4: Simplify right side
    108,285.93x = 9,047,890,286.97
  5. Step 5: Solve for x
    x = 9,047,890,286.97/108,285.93
  6. Step 6: Final answer
    x = 83,555.55

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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.