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Finding the Fourth Proportional to 177,894.78, 245,552.03 and 117,519

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Solution

The fourth proportional to 177,894.78, 245,552.03 and 117,519 is: 162,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,894.78 : 245,552.03 = 117,519 : x
  2. Step 2: Convert to fraction form
    177,894.78/245,552.03 = 117,519/x
  3. Step 3: Cross multiply
    177,894.78x = 245,552.03 × 117,519
  4. Step 4: Simplify right side
    177,894.78x = 28,857,028,425.98
  5. Step 5: Solve for x
    x = 28,857,028,425.98/177,894.78
  6. Step 6: Final answer
    x = 162,214.03

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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.