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Finding the Fourth Proportional to 79,885.67, 110,251.99 and 45,894.10

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Solution

The fourth proportional to 79,885.67, 110,251.99 and 45,894.10 is: 63,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,885.67 : 110,251.99 = 45,894.10 : x
  2. Step 2: Convert to fraction form
    79,885.67/110,251.99 = 45,894.10/x
  3. Step 3: Cross multiply
    79,885.67x = 110,251.99 × 45,894.10
  4. Step 4: Simplify right side
    79,885.67x = 5,059,915,463.89
  5. Step 5: Solve for x
    x = 5,059,915,463.89/79,885.67
  6. Step 6: Final answer
    x = 63,339.46

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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.