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Finding the Fourth Proportional to 176,042.80, 263,869.80 and 97,213.60

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Solution

The fourth proportional to 176,042.80, 263,869.80 and 97,213.60 is: 145,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,042.80 : 263,869.80 = 97,213.60 : x
  2. Step 2: Convert to fraction form
    176,042.80/263,869.80 = 97,213.60/x
  3. Step 3: Cross multiply
    176,042.80x = 263,869.80 × 97,213.60
  4. Step 4: Simplify right side
    176,042.80x = 25,651,733,189.28
  5. Step 5: Solve for x
    x = 25,651,733,189.28/176,042.80
  6. Step 6: Final answer
    x = 145,713.05

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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.