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Finding the Fourth Proportional to 177,651.01, 245,161.61 and 97,081.93

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Solution

The fourth proportional to 177,651.01, 245,161.61 and 97,081.93 is: 133,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,651.01 : 245,161.61 = 97,081.93 : x
  2. Step 2: Convert to fraction form
    177,651.01/245,161.61 = 97,081.93/x
  3. Step 3: Cross multiply
    177,651.01x = 245,161.61 × 97,081.93
  4. Step 4: Simplify right side
    177,651.01x = 23,800,762,081.75
  5. Step 5: Solve for x
    x = 23,800,762,081.75/177,651.01
  6. Step 6: Final answer
    x = 133,974.82

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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.