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Finding the Fourth Proportional to 108,311.54, 149,476.82 and 60,564.87

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Solution

The fourth proportional to 108,311.54, 149,476.82 and 60,564.87 is: 83,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,311.54 : 149,476.82 = 60,564.87 : x
  2. Step 2: Convert to fraction form
    108,311.54/149,476.82 = 60,564.87/x
  3. Step 3: Cross multiply
    108,311.54x = 149,476.82 × 60,564.87
  4. Step 4: Simplify right side
    108,311.54x = 9,053,043,868.49
  5. Step 5: Solve for x
    x = 9,053,043,868.49/108,311.54
  6. Step 6: Final answer
    x = 83,583.38

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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.