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Finding the Fourth Proportional to 108,912.47, 150,299.80 and 60,514.46

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Solution

The fourth proportional to 108,912.47, 150,299.80 and 60,514.46 is: 83,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,912.47 : 150,299.80 = 60,514.46 : x
  2. Step 2: Convert to fraction form
    108,912.47/150,299.80 = 60,514.46/x
  3. Step 3: Cross multiply
    108,912.47x = 150,299.80 × 60,514.46
  4. Step 4: Simplify right side
    108,912.47x = 9,095,311,236.34
  5. Step 5: Solve for x
    x = 9,095,311,236.34/108,912.47
  6. Step 6: Final answer
    x = 83,510.29

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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.