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Finding the Fourth Proportional to 79,857.45, 110,205.63 and 44,045.73

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Solution

The fourth proportional to 79,857.45, 110,205.63 and 44,045.73 is: 60,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,857.45 : 110,205.63 = 44,045.73 : x
  2. Step 2: Convert to fraction form
    79,857.45/110,205.63 = 44,045.73/x
  3. Step 3: Cross multiply
    79,857.45x = 110,205.63 × 44,045.73
  4. Step 4: Simplify right side
    79,857.45x = 4,854,087,423.46
  5. Step 5: Solve for x
    x = 4,854,087,423.46/79,857.45
  6. Step 6: Final answer
    x = 60,784.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.