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Finding the Fourth Proportional to 73,805.70, 110,708.55 and 44,208.30

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Solution

The fourth proportional to 73,805.70, 110,708.55 and 44,208.30 is: 66,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,805.70 : 110,708.55 = 44,208.30 : x
  2. Step 2: Convert to fraction form
    73,805.70/110,708.55 = 44,208.30/x
  3. Step 3: Cross multiply
    73,805.70x = 110,708.55 × 44,208.30
  4. Step 4: Simplify right side
    73,805.70x = 4,894,236,790.97
  5. Step 5: Solve for x
    x = 4,894,236,790.97/73,805.70
  6. Step 6: Final answer
    x = 66,312.45

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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.