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Finding the Fourth Proportional to 202,295.12, 303,348.78 and 118,079.60

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Solution

The fourth proportional to 202,295.12, 303,348.78 and 118,079.60 is: 177,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.12 : 303,348.78 = 118,079.60 : x
  2. Step 2: Convert to fraction form
    202,295.12/303,348.78 = 118,079.60/x
  3. Step 3: Cross multiply
    202,295.12x = 303,348.78 × 118,079.60
  4. Step 4: Simplify right side
    202,295.12x = 35,819,302,602.89
  5. Step 5: Solve for x
    x = 35,819,302,602.89/202,295.12
  6. Step 6: Final answer
    x = 177,064.59

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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.