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Finding the Fourth Proportional to 177,615.10, 245,105.97 and 97,040.89

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Solution

The fourth proportional to 177,615.10, 245,105.97 and 97,040.89 is: 133,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,615.10 : 245,105.97 = 97,040.89 : x
  2. Step 2: Convert to fraction form
    177,615.10/245,105.97 = 97,040.89/x
  3. Step 3: Cross multiply
    177,615.10x = 245,105.97 × 97,040.89
  4. Step 4: Simplify right side
    177,615.10x = 23,785,302,406.71
  5. Step 5: Solve for x
    x = 23,785,302,406.71/177,615.10
  6. Step 6: Final answer
    x = 133,914.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.