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Finding the Fourth Proportional to 228,163.30, 342,218.76 and 59,699.92

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Solution

The fourth proportional to 228,163.30, 342,218.76 and 59,699.92 is: 89,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,163.30 : 342,218.76 = 59,699.92 : x
  2. Step 2: Convert to fraction form
    228,163.30/342,218.76 = 59,699.92/x
  3. Step 3: Cross multiply
    228,163.30x = 342,218.76 × 59,699.92
  4. Step 4: Simplify right side
    228,163.30x = 20,430,432,594.50
  5. Step 5: Solve for x
    x = 20,430,432,594.50/228,163.30
  6. Step 6: Final answer
    x = 89,543.03

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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.