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Finding the Fourth Proportional to 118,388.50, 177,613.53 and 35,282.50

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Solution

The fourth proportional to 118,388.50, 177,613.53 and 35,282.50 is: 52,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,388.50 : 177,613.53 = 35,282.50 : x
  2. Step 2: Convert to fraction form
    118,388.50/177,613.53 = 35,282.50/x
  3. Step 3: Cross multiply
    118,388.50x = 177,613.53 × 35,282.50
  4. Step 4: Simplify right side
    118,388.50x = 6,266,649,372.23
  5. Step 5: Solve for x
    x = 6,266,649,372.23/118,388.50
  6. Step 6: Final answer
    x = 52,932.92

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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.