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Finding the Fourth Proportional to 228,151.89, 342,201.68 and 59,688.47

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Solution

The fourth proportional to 228,151.89, 342,201.68 and 59,688.47 is: 89,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,151.89 : 342,201.68 = 59,688.47 : x
  2. Step 2: Convert to fraction form
    228,151.89/342,201.68 = 59,688.47/x
  3. Step 3: Cross multiply
    228,151.89x = 342,201.68 × 59,688.47
  4. Step 4: Simplify right side
    228,151.89x = 20,425,494,864.83
  5. Step 5: Solve for x
    x = 20,425,494,864.83/228,151.89
  6. Step 6: Final answer
    x = 89,525.86

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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.