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Finding the Fourth Proportional to 114,696.87, 158,276.54 and 63,713.12

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Solution

The fourth proportional to 114,696.87, 158,276.54 and 63,713.12 is: 87,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,696.87 : 158,276.54 = 63,713.12 : x
  2. Step 2: Convert to fraction form
    114,696.87/158,276.54 = 63,713.12/x
  3. Step 3: Cross multiply
    114,696.87x = 158,276.54 × 63,713.12
  4. Step 4: Simplify right side
    114,696.87x = 10,084,291,076.26
  5. Step 5: Solve for x
    x = 10,084,291,076.26/114,696.87
  6. Step 6: Final answer
    x = 87,921.24

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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.