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Finding the Fourth Proportional to 96,630.70, 144,946.05 and 61,201.30

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Solution

The fourth proportional to 96,630.70, 144,946.05 and 61,201.30 is: 91,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,630.70 : 144,946.05 = 61,201.30 : x
  2. Step 2: Convert to fraction form
    96,630.70/144,946.05 = 61,201.30/x
  3. Step 3: Cross multiply
    96,630.70x = 144,946.05 × 61,201.30
  4. Step 4: Simplify right side
    96,630.70x = 8,870,886,689.87
  5. Step 5: Solve for x
    x = 8,870,886,689.87/96,630.70
  6. Step 6: Final answer
    x = 91,801.95

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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.