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Finding the Fourth Proportional to 117,554.40, 176,504.40 and 82,648.80

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Solution

The fourth proportional to 117,554.40, 176,504.40 and 82,648.80 is: 124,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.40 : 176,504.40 = 82,648.80 : x
  2. Step 2: Convert to fraction form
    117,554.40/176,504.40 = 82,648.80/x
  3. Step 3: Cross multiply
    117,554.40x = 176,504.40 × 82,648.80
  4. Step 4: Simplify right side
    117,554.40x = 14,587,876,854.72
  5. Step 5: Solve for x
    x = 14,587,876,854.72/117,554.40
  6. Step 6: Final answer
    x = 124,094.69

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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.