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Finding the Fourth Proportional to 251,804.76, 347,515.65 and 188,031.84

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Solution

The fourth proportional to 251,804.76, 347,515.65 and 188,031.84 is: 259,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,804.76 : 347,515.65 = 188,031.84 : x
  2. Step 2: Convert to fraction form
    251,804.76/347,515.65 = 188,031.84/x
  3. Step 3: Cross multiply
    251,804.76x = 347,515.65 × 188,031.84
  4. Step 4: Simplify right side
    251,804.76x = 65,344,007,098.30
  5. Step 5: Solve for x
    x = 65,344,007,098.30/251,804.76
  6. Step 6: Final answer
    x = 259,502.67

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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.