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Finding the Fourth Proportional to 118,389, 177,614.28 and 35,283

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Solution

The fourth proportional to 118,389, 177,614.28 and 35,283 is: 52,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,389 : 177,614.28 = 35,283 : x
  2. Step 2: Convert to fraction form
    118,389/177,614.28 = 35,283/x
  3. Step 3: Cross multiply
    118,389x = 177,614.28 × 35,283
  4. Step 4: Simplify right side
    118,389x = 6,266,764,641.24
  5. Step 5: Solve for x
    x = 6,266,764,641.24/118,389
  6. Step 6: Final answer
    x = 52,933.67

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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.