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Finding the Fourth Proportional to 114,449.37, 157,940.47 and 63,465.69

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Solution

The fourth proportional to 114,449.37, 157,940.47 and 63,465.69 is: 87,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,449.37 : 157,940.47 = 63,465.69 : x
  2. Step 2: Convert to fraction form
    114,449.37/157,940.47 = 63,465.69/x
  3. Step 3: Cross multiply
    114,449.37x = 157,940.47 × 63,465.69
  4. Step 4: Simplify right side
    114,449.37x = 10,023,801,579.08
  5. Step 5: Solve for x
    x = 10,023,801,579.08/114,449.37
  6. Step 6: Final answer
    x = 87,582.85

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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.