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Finding the Fourth Proportional to 118,357, 177,566.28 and 35,251

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Solution

The fourth proportional to 118,357, 177,566.28 and 35,251 is: 52,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,357 : 177,566.28 = 35,251 : x
  2. Step 2: Convert to fraction form
    118,357/177,566.28 = 35,251/x
  3. Step 3: Cross multiply
    118,357x = 177,566.28 × 35,251
  4. Step 4: Simplify right side
    118,357x = 6,259,388,936.28
  5. Step 5: Solve for x
    x = 6,259,388,936.28/118,357
  6. Step 6: Final answer
    x = 52,885.67

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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.