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Finding the Fourth Proportional to 356,716.67, 535,157.37 and 120,053.57

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Solution

The fourth proportional to 356,716.67, 535,157.37 and 120,053.57 is: 180,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,716.67 : 535,157.37 = 120,053.57 : x
  2. Step 2: Convert to fraction form
    356,716.67/535,157.37 = 120,053.57/x
  3. Step 3: Cross multiply
    356,716.67x = 535,157.37 × 120,053.57
  4. Step 4: Simplify right side
    356,716.67x = 64,247,550,104.52
  5. Step 5: Solve for x
    x = 64,247,550,104.52/356,716.67
  6. Step 6: Final answer
    x = 180,108.07

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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.