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Finding the Fourth Proportional to 223,892.99, 308,872.46 and 151,272.50

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Solution

The fourth proportional to 223,892.99, 308,872.46 and 151,272.50 is: 208,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,892.99 : 308,872.46 = 151,272.50 : x
  2. Step 2: Convert to fraction form
    223,892.99/308,872.46 = 151,272.50/x
  3. Step 3: Cross multiply
    223,892.99x = 308,872.46 × 151,272.50
  4. Step 4: Simplify right side
    223,892.99x = 46,723,910,355.71
  5. Step 5: Solve for x
    x = 46,723,910,355.71/223,892.99
  6. Step 6: Final answer
    x = 208,688.59

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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.