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Finding the Fourth Proportional to 118,299.54, 177,457.80 and 37,239.60

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Solution

The fourth proportional to 118,299.54, 177,457.80 and 37,239.60 is: 55,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,299.54 : 177,457.80 = 37,239.60 : x
  2. Step 2: Convert to fraction form
    118,299.54/177,457.80 = 37,239.60/x
  3. Step 3: Cross multiply
    118,299.54x = 177,457.80 × 37,239.60
  4. Step 4: Simplify right side
    118,299.54x = 6,608,457,488.88
  5. Step 5: Solve for x
    x = 6,608,457,488.88/118,299.54
  6. Step 6: Final answer
    x = 55,862.07

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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.