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Finding the Fourth Proportional to 108,591.44, 149,854.74 and 60,845.72

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Solution

The fourth proportional to 108,591.44, 149,854.74 and 60,845.72 is: 83,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,591.44 : 149,854.74 = 60,845.72 : x
  2. Step 2: Convert to fraction form
    108,591.44/149,854.74 = 60,845.72/x
  3. Step 3: Cross multiply
    108,591.44x = 149,854.74 × 60,845.72
  4. Step 4: Simplify right side
    108,591.44x = 9,118,019,550.71
  5. Step 5: Solve for x
    x = 9,118,019,550.71/108,591.44
  6. Step 6: Final answer
    x = 83,966.28

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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.