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Finding the Fourth Proportional to 108,627.50, 149,905.76 and 60,880.84

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Solution

The fourth proportional to 108,627.50, 149,905.76 and 60,880.84 is: 84,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,627.50 : 149,905.76 = 60,880.84 : x
  2. Step 2: Convert to fraction form
    108,627.50/149,905.76 = 60,880.84/x
  3. Step 3: Cross multiply
    108,627.50x = 149,905.76 × 60,880.84
  4. Step 4: Simplify right side
    108,627.50x = 9,126,387,910.47
  5. Step 5: Solve for x
    x = 9,126,387,910.47/108,627.50
  6. Step 6: Final answer
    x = 84,015.44

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1.5x scale

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.