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Finding the Fourth Proportional to 114,873.96, 158,359.88 and 76,046.72

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Solution

The fourth proportional to 114,873.96, 158,359.88 and 76,046.72 is: 104,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,873.96 : 158,359.88 = 76,046.72 : x
  2. Step 2: Convert to fraction form
    114,873.96/158,359.88 = 76,046.72/x
  3. Step 3: Cross multiply
    114,873.96x = 158,359.88 × 76,046.72
  4. Step 4: Simplify right side
    114,873.96x = 12,042,749,635.74
  5. Step 5: Solve for x
    x = 12,042,749,635.74/114,873.96
  6. Step 6: Final answer
    x = 104,834.46

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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.