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Finding the Fourth Proportional to 177,892.69, 245,465.11 and 101,418.43

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Solution

The fourth proportional to 177,892.69, 245,465.11 and 101,418.43 is: 139,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,892.69 : 245,465.11 = 101,418.43 : x
  2. Step 2: Convert to fraction form
    177,892.69/245,465.11 = 101,418.43/x
  3. Step 3: Cross multiply
    177,892.69x = 245,465.11 × 101,418.43
  4. Step 4: Simplify right side
    177,892.69x = 24,894,686,075.98
  5. Step 5: Solve for x
    x = 24,894,686,075.98/177,892.69
  6. Step 6: Final answer
    x = 139,942.15

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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.