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Finding the Fourth Proportional to 134,590.54, 185,733.46 and 76,446.88

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Solution

The fourth proportional to 134,590.54, 185,733.46 and 76,446.88 is: 105,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,590.54 : 185,733.46 = 76,446.88 : x
  2. Step 2: Convert to fraction form
    134,590.54/185,733.46 = 76,446.88/x
  3. Step 3: Cross multiply
    134,590.54x = 185,733.46 × 76,446.88
  4. Step 4: Simplify right side
    134,590.54x = 14,198,743,528.60
  5. Step 5: Solve for x
    x = 14,198,743,528.60/134,590.54
  6. Step 6: Final answer
    x = 105,495.85

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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.