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Finding the Fourth Proportional to 108,219.56, 149,333.28 and 60,466.28

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Solution

The fourth proportional to 108,219.56, 149,333.28 and 60,466.28 is: 83,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,219.56 : 149,333.28 = 60,466.28 : x
  2. Step 2: Convert to fraction form
    108,219.56/149,333.28 = 60,466.28/x
  3. Step 3: Cross multiply
    108,219.56x = 149,333.28 × 60,466.28
  4. Step 4: Simplify right side
    108,219.56x = 9,029,627,921.80
  5. Step 5: Solve for x
    x = 9,029,627,921.80/108,219.56
  6. Step 6: Final answer
    x = 83,438.04

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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.