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Finding the Fourth Proportional to 176,502.45, 264,767.45 and 105,906.09

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Solution

The fourth proportional to 176,502.45, 264,767.45 and 105,906.09 is: 158,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,502.45 : 264,767.45 = 105,906.09 : x
  2. Step 2: Convert to fraction form
    176,502.45/264,767.45 = 105,906.09/x
  3. Step 3: Cross multiply
    176,502.45x = 264,767.45 × 105,906.09
  4. Step 4: Simplify right side
    176,502.45x = 28,040,484,859.24
  5. Step 5: Solve for x
    x = 28,040,484,859.24/176,502.45
  6. Step 6: Final answer
    x = 158,867.40

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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.