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Finding the Fourth Proportional to 108,049.53, 149,116.80 and 60,310.05

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Solution

The fourth proportional to 108,049.53, 149,116.80 and 60,310.05 is: 83,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,049.53 : 149,116.80 = 60,310.05 : x
  2. Step 2: Convert to fraction form
    108,049.53/149,116.80 = 60,310.05/x
  3. Step 3: Cross multiply
    108,049.53x = 149,116.80 × 60,310.05
  4. Step 4: Simplify right side
    108,049.53x = 8,993,241,663.84
  5. Step 5: Solve for x
    x = 8,993,241,663.84/108,049.53
  6. Step 6: Final answer
    x = 83,232.58

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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.