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Finding the Fourth Proportional to 58,912.40, 88,271.40 and 50,164.40

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Solution

The fourth proportional to 58,912.40, 88,271.40 and 50,164.40 is: 75,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,912.40 : 88,271.40 = 50,164.40 : x
  2. Step 2: Convert to fraction form
    58,912.40/88,271.40 = 50,164.40/x
  3. Step 3: Cross multiply
    58,912.40x = 88,271.40 × 50,164.40
  4. Step 4: Simplify right side
    58,912.40x = 4,428,081,818.16
  5. Step 5: Solve for x
    x = 4,428,081,818.16/58,912.40
  6. Step 6: Final answer
    x = 75,163.83

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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.