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Finding the Fourth Proportional to 123,600, 185,290.05 and 44,696.70

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Solution

The fourth proportional to 123,600, 185,290.05 and 44,696.70 is: 67,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,600 : 185,290.05 = 44,696.70 : x
  2. Step 2: Convert to fraction form
    123,600/185,290.05 = 44,696.70/x
  3. Step 3: Cross multiply
    123,600x = 185,290.05 × 44,696.70
  4. Step 4: Simplify right side
    123,600x = 8,281,853,777.84
  5. Step 5: Solve for x
    x = 8,281,853,777.84/123,600
  6. Step 6: Final answer
    x = 67,005.29

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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.