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Finding the Fourth Proportional to 123,615.82, 185,423.72 and 44,711.60

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Solution

The fourth proportional to 123,615.82, 185,423.72 and 44,711.60 is: 67,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,615.82 : 185,423.72 = 44,711.60 : x
  2. Step 2: Convert to fraction form
    123,615.82/185,423.72 = 44,711.60/x
  3. Step 3: Cross multiply
    123,615.82x = 185,423.72 × 44,711.60
  4. Step 4: Simplify right side
    123,615.82x = 8,290,590,048.48
  5. Step 5: Solve for x
    x = 8,290,590,048.48/123,615.82
  6. Step 6: Final answer
    x = 67,067.39

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1.5x scale

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.