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Finding the Fourth Proportional to 179,043.71, 268,583.10 and 65,222.45

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Solution

The fourth proportional to 179,043.71, 268,583.10 and 65,222.45 is: 97,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,043.71 : 268,583.10 = 65,222.45 : x
  2. Step 2: Convert to fraction form
    179,043.71/268,583.10 = 65,222.45/x
  3. Step 3: Cross multiply
    179,043.71x = 268,583.10 × 65,222.45
  4. Step 4: Simplify right side
    179,043.71x = 17,517,647,810.60
  5. Step 5: Solve for x
    x = 17,517,647,810.60/179,043.71
  6. Step 6: Final answer
    x = 97,840.06

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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.