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Finding the Fourth Proportional to 365,474.97, 548,263.89 and 112,775.96

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Solution

The fourth proportional to 365,474.97, 548,263.89 and 112,775.96 is: 169,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,474.97 : 548,263.89 = 112,775.96 : x
  2. Step 2: Convert to fraction form
    365,474.97/548,263.89 = 112,775.96/x
  3. Step 3: Cross multiply
    365,474.97x = 548,263.89 × 112,775.96
  4. Step 4: Simplify right side
    365,474.97x = 61,830,987,898.74
  5. Step 5: Solve for x
    x = 61,830,987,898.74/365,474.97
  6. Step 6: Final answer
    x = 169,179.82

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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.