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Finding the Fourth Proportional to 175,141.76, 262,709.82 and 118,841.84

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Solution

The fourth proportional to 175,141.76, 262,709.82 and 118,841.84 is: 178,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,141.76 : 262,709.82 = 118,841.84 : x
  2. Step 2: Convert to fraction form
    175,141.76/262,709.82 = 118,841.84/x
  3. Step 3: Cross multiply
    175,141.76x = 262,709.82 × 118,841.84
  4. Step 4: Simplify right side
    175,141.76x = 31,220,918,394.87
  5. Step 5: Solve for x
    x = 31,220,918,394.87/175,141.76
  6. Step 6: Final answer
    x = 178,260.85

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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.