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Finding the Fourth Proportional to 114,659.61, 158,229.16 and 63,671.07

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Solution

The fourth proportional to 114,659.61, 158,229.16 and 63,671.07 is: 87,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,659.61 : 158,229.16 = 63,671.07 : x
  2. Step 2: Convert to fraction form
    114,659.61/158,229.16 = 63,671.07/x
  3. Step 3: Cross multiply
    114,659.61x = 158,229.16 × 63,671.07
  4. Step 4: Simplify right side
    114,659.61x = 10,074,619,922.40
  5. Step 5: Solve for x
    x = 10,074,619,922.40/114,659.61
  6. Step 6: Final answer
    x = 87,865.46

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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.