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Finding the Fourth Proportional to 104,271.56, 143,844.01 and 61,800.02

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Solution

The fourth proportional to 104,271.56, 143,844.01 and 61,800.02 is: 85,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,271.56 : 143,844.01 = 61,800.02 : x
  2. Step 2: Convert to fraction form
    104,271.56/143,844.01 = 61,800.02/x
  3. Step 3: Cross multiply
    104,271.56x = 143,844.01 × 61,800.02
  4. Step 4: Simplify right side
    104,271.56x = 8,889,561,821.16
  5. Step 5: Solve for x
    x = 8,889,561,821.16/104,271.56
  6. Step 6: Final answer
    x = 85,253.95

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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.