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Finding the Fourth Proportional to 114,805.59, 158,366.99 and 68,853.00

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Solution

The fourth proportional to 114,805.59, 158,366.99 and 68,853.00 is: 94,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,805.59 : 158,366.99 = 68,853.00 : x
  2. Step 2: Convert to fraction form
    114,805.59/158,366.99 = 68,853.00/x
  3. Step 3: Cross multiply
    114,805.59x = 158,366.99 × 68,853.00
  4. Step 4: Simplify right side
    114,805.59x = 10,904,043,128.48
  5. Step 5: Solve for x
    x = 10,904,043,128.48/114,805.59
  6. Step 6: Final answer
    x = 94,978.33

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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.