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Finding the Fourth Proportional to 177,791.80, 245,349.13 and 97,218.47

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Solution

The fourth proportional to 177,791.80, 245,349.13 and 97,218.47 is: 134,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,791.80 : 245,349.13 = 97,218.47 : x
  2. Step 2: Convert to fraction form
    177,791.80/245,349.13 = 97,218.47/x
  3. Step 3: Cross multiply
    177,791.80x = 245,349.13 × 97,218.47
  4. Step 4: Simplify right side
    177,791.80x = 23,852,467,034.43
  5. Step 5: Solve for x
    x = 23,852,467,034.43/177,791.80
  6. Step 6: Final answer
    x = 134,159.55

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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.