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Finding the Fourth Proportional to 114,449.60, 157,939.67 and 63,462.31

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Solution

The fourth proportional to 114,449.60, 157,939.67 and 63,462.31 is: 87,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,449.60 : 157,939.67 = 63,462.31 : x
  2. Step 2: Convert to fraction form
    114,449.60/157,939.67 = 63,462.31/x
  3. Step 3: Cross multiply
    114,449.60x = 157,939.67 × 63,462.31
  4. Step 4: Simplify right side
    114,449.60x = 10,023,216,062.64
  5. Step 5: Solve for x
    x = 10,023,216,062.64/114,449.60
  6. Step 6: Final answer
    x = 87,577.55

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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.