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Finding the Fourth Proportional to 228,047.91, 342,072.01 and 61,835.91

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Solution

The fourth proportional to 228,047.91, 342,072.01 and 61,835.91 is: 92,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,047.91 : 342,072.01 = 61,835.91 : x
  2. Step 2: Convert to fraction form
    228,047.91/342,072.01 = 61,835.91/x
  3. Step 3: Cross multiply
    228,047.91x = 342,072.01 × 61,835.91
  4. Step 4: Simplify right side
    228,047.91x = 21,152,332,818.40
  5. Step 5: Solve for x
    x = 21,152,332,818.40/228,047.91
  6. Step 6: Final answer
    x = 92,753.90

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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.