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Finding the Fourth Proportional to 101,599.36, 152,343.49 and 80,673.82

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Solution

The fourth proportional to 101,599.36, 152,343.49 and 80,673.82 is: 120,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,599.36 : 152,343.49 = 80,673.82 : x
  2. Step 2: Convert to fraction form
    101,599.36/152,343.49 = 80,673.82/x
  3. Step 3: Cross multiply
    101,599.36x = 152,343.49 × 80,673.82
  4. Step 4: Simplify right side
    101,599.36x = 12,290,130,887.06
  5. Step 5: Solve for x
    x = 12,290,130,887.06/101,599.36
  6. Step 6: Final answer
    x = 120,966.62

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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.