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Finding the Fourth Proportional to 208,365.76, 312,548.64 and 50,593.15

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Solution

The fourth proportional to 208,365.76, 312,548.64 and 50,593.15 is: 75,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,365.76 : 312,548.64 = 50,593.15 : x
  2. Step 2: Convert to fraction form
    208,365.76/312,548.64 = 50,593.15/x
  3. Step 3: Cross multiply
    208,365.76x = 312,548.64 × 50,593.15
  4. Step 4: Simplify right side
    208,365.76x = 15,812,819,444.44
  5. Step 5: Solve for x
    x = 15,812,819,444.44/208,365.76
  6. Step 6: Final answer
    x = 75,889.72

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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.