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Finding the Fourth Proportional to 79,775.17, 110,087.57 and 43,965.17

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Solution

The fourth proportional to 79,775.17, 110,087.57 and 43,965.17 is: 60,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,775.17 : 110,087.57 = 43,965.17 : x
  2. Step 2: Convert to fraction form
    79,775.17/110,087.57 = 43,965.17/x
  3. Step 3: Cross multiply
    79,775.17x = 110,087.57 × 43,965.17
  4. Step 4: Simplify right side
    79,775.17x = 4,840,018,729.94
  5. Step 5: Solve for x
    x = 4,840,018,729.94/79,775.17
  6. Step 6: Final answer
    x = 60,670.74

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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.