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Finding the Fourth Proportional to 79,850.80, 110,199.45 and 45,870.29

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Solution

The fourth proportional to 79,850.80, 110,199.45 and 45,870.29 is: 63,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,850.80 : 110,199.45 = 45,870.29 : x
  2. Step 2: Convert to fraction form
    79,850.80/110,199.45 = 45,870.29/x
  3. Step 3: Cross multiply
    79,850.80x = 110,199.45 × 45,870.29
  4. Step 4: Simplify right side
    79,850.80x = 5,054,880,729.34
  5. Step 5: Solve for x
    x = 5,054,880,729.34/79,850.80
  6. Step 6: Final answer
    x = 63,304.07

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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.