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Finding the Fourth Proportional to 162,860.99, 224,771.90 and 91,245.85

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Solution

The fourth proportional to 162,860.99, 224,771.90 and 91,245.85 is: 125,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,860.99 : 224,771.90 = 91,245.85 : x
  2. Step 2: Convert to fraction form
    162,860.99/224,771.90 = 91,245.85/x
  3. Step 3: Cross multiply
    162,860.99x = 224,771.90 × 91,245.85
  4. Step 4: Simplify right side
    162,860.99x = 20,509,502,053.46
  5. Step 5: Solve for x
    x = 20,509,502,053.46/162,860.99
  6. Step 6: Final answer
    x = 125,932.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.