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Finding the Fourth Proportional to 177,552.81, 245,021.42 and 96,980.38

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Solution

The fourth proportional to 177,552.81, 245,021.42 and 96,980.38 is: 133,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,552.81 : 245,021.42 = 96,980.38 : x
  2. Step 2: Convert to fraction form
    177,552.81/245,021.42 = 96,980.38/x
  3. Step 3: Cross multiply
    177,552.81x = 245,021.42 × 96,980.38
  4. Step 4: Simplify right side
    177,552.81x = 23,762,269,934.84
  5. Step 5: Solve for x
    x = 23,762,269,934.84/177,552.81
  6. Step 6: Final answer
    x = 133,832.13

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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.