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Finding the Fourth Proportional to 114,086.64, 157,440 and 63,785.52

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Solution

The fourth proportional to 114,086.64, 157,440 and 63,785.52 is: 88,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,086.64 : 157,440 = 63,785.52 : x
  2. Step 2: Convert to fraction form
    114,086.64/157,440 = 63,785.52/x
  3. Step 3: Cross multiply
    114,086.64x = 157,440 × 63,785.52
  4. Step 4: Simplify right side
    114,086.64x = 10,042,392,268.80
  5. Step 5: Solve for x
    x = 10,042,392,268.80/114,086.64
  6. Step 6: Final answer
    x = 88,024.26

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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.