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Finding the Fourth Proportional to 228,379.89, 342,561.63 and 59,898.87

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Solution

The fourth proportional to 228,379.89, 342,561.63 and 59,898.87 is: 89,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,379.89 : 342,561.63 = 59,898.87 : x
  2. Step 2: Convert to fraction form
    228,379.89/342,561.63 = 59,898.87/x
  3. Step 3: Cross multiply
    228,379.89x = 342,561.63 × 59,898.87
  4. Step 4: Simplify right side
    228,379.89x = 20,519,055,714.65
  5. Step 5: Solve for x
    x = 20,519,055,714.65/228,379.89
  6. Step 6: Final answer
    x = 89,846.16

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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.