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Finding the Fourth Proportional to 101,146.56, 151,672.89 and 59,038.80

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Solution

The fourth proportional to 101,146.56, 151,672.89 and 59,038.80 is: 88,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,146.56 : 151,672.89 = 59,038.80 : x
  2. Step 2: Convert to fraction form
    101,146.56/151,672.89 = 59,038.80/x
  3. Step 3: Cross multiply
    101,146.56x = 151,672.89 × 59,038.80
  4. Step 4: Simplify right side
    101,146.56x = 8,954,585,418.13
  5. Step 5: Solve for x
    x = 8,954,585,418.13/101,146.56
  6. Step 6: Final answer
    x = 88,530.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.