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Finding the Fourth Proportional to 175,669.71, 263,511.81 and 51,010.71

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Solution

The fourth proportional to 175,669.71, 263,511.81 and 51,010.71 is: 76,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,669.71 : 263,511.81 = 51,010.71 : x
  2. Step 2: Convert to fraction form
    175,669.71/263,511.81 = 51,010.71/x
  3. Step 3: Cross multiply
    175,669.71x = 263,511.81 × 51,010.71
  4. Step 4: Simplify right side
    175,669.71x = 13,441,924,521.49
  5. Step 5: Solve for x
    x = 13,441,924,521.49/175,669.71
  6. Step 6: Final answer
    x = 76,518.17

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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.