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Finding the Fourth Proportional to 114,240.21, 157,651.47 and 63,939.21

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Solution

The fourth proportional to 114,240.21, 157,651.47 and 63,939.21 is: 88,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,240.21 : 157,651.47 = 63,939.21 : x
  2. Step 2: Convert to fraction form
    114,240.21/157,651.47 = 63,939.21/x
  3. Step 3: Cross multiply
    114,240.21x = 157,651.47 × 63,939.21
  4. Step 4: Simplify right side
    114,240.21x = 10,080,110,447.14
  5. Step 5: Solve for x
    x = 10,080,110,447.14/114,240.21
  6. Step 6: Final answer
    x = 88,236.10

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1.5x scale

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.