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Finding the Fourth Proportional to 365,121.77, 547,734.49 and 112,423.25

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Solution

The fourth proportional to 365,121.77, 547,734.49 and 112,423.25 is: 168,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,121.77 : 547,734.49 = 112,423.25 : x
  2. Step 2: Convert to fraction form
    365,121.77/547,734.49 = 112,423.25/x
  3. Step 3: Cross multiply
    365,121.77x = 547,734.49 × 112,423.25
  4. Step 4: Simplify right side
    365,121.77x = 61,578,092,591.17
  5. Step 5: Solve for x
    x = 61,578,092,591.17/365,121.77
  6. Step 6: Final answer
    x = 168,650.84

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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.