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Finding the Fourth Proportional to 117,580.60, 176,370.90 and 82,676.08

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Solution

The fourth proportional to 117,580.60, 176,370.90 and 82,676.08 is: 124,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,580.60 : 176,370.90 = 82,676.08 : x
  2. Step 2: Convert to fraction form
    117,580.60/176,370.90 = 82,676.08/x
  3. Step 3: Cross multiply
    117,580.60x = 176,370.90 × 82,676.08
  4. Step 4: Simplify right side
    117,580.60x = 14,581,654,638.07
  5. Step 5: Solve for x
    x = 14,581,654,638.07/117,580.60
  6. Step 6: Final answer
    x = 124,014.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.