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Finding the Fourth Proportional to 313,890.54, 433,149.54 and 176,061.88

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Solution

The fourth proportional to 313,890.54, 433,149.54 and 176,061.88 is: 242,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,890.54 : 433,149.54 = 176,061.88 : x
  2. Step 2: Convert to fraction form
    313,890.54/433,149.54 = 176,061.88/x
  3. Step 3: Cross multiply
    313,890.54x = 433,149.54 × 176,061.88
  4. Step 4: Simplify right side
    313,890.54x = 76,261,122,214.74
  5. Step 5: Solve for x
    x = 76,261,122,214.74/313,890.54
  6. Step 6: Final answer
    x = 242,954.51

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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.