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Finding the Fourth Proportional to 114,873.66, 158,506.34 and 63,879.71

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Solution

The fourth proportional to 114,873.66, 158,506.34 and 63,879.71 is: 88,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,873.66 : 158,506.34 = 63,879.71 : x
  2. Step 2: Convert to fraction form
    114,873.66/158,506.34 = 63,879.71/x
  3. Step 3: Cross multiply
    114,873.66x = 158,506.34 × 63,879.71
  4. Step 4: Simplify right side
    114,873.66x = 10,125,337,920.43
  5. Step 5: Solve for x
    x = 10,125,337,920.43/114,873.66
  6. Step 6: Final answer
    x = 88,143.25

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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.