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Finding the Fourth Proportional to 118,287.28, 177,460.02 and 35,181.28

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Solution

The fourth proportional to 118,287.28, 177,460.02 and 35,181.28 is: 52,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,287.28 : 177,460.02 = 35,181.28 : x
  2. Step 2: Convert to fraction form
    118,287.28/177,460.02 = 35,181.28/x
  3. Step 3: Cross multiply
    118,287.28x = 177,460.02 × 35,181.28
  4. Step 4: Simplify right side
    118,287.28x = 6,243,270,652.43
  5. Step 5: Solve for x
    x = 6,243,270,652.43/118,287.28
  6. Step 6: Final answer
    x = 52,780.57

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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.