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Finding the Fourth Proportional to 114,449.15, 157,940.17 and 63,465.47

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Solution

The fourth proportional to 114,449.15, 157,940.17 and 63,465.47 is: 87,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,449.15 : 157,940.17 = 63,465.47 : x
  2. Step 2: Convert to fraction form
    114,449.15/157,940.17 = 63,465.47/x
  3. Step 3: Cross multiply
    114,449.15x = 157,940.17 × 63,465.47
  4. Step 4: Simplify right side
    114,449.15x = 10,023,747,120.93
  5. Step 5: Solve for x
    x = 10,023,747,120.93/114,449.15
  6. Step 6: Final answer
    x = 87,582.54

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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.