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Finding the Fourth Proportional to 275,105.10, 412,521.50 and 97,585.50

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Solution

The fourth proportional to 275,105.10, 412,521.50 and 97,585.50 is: 146,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,105.10 : 412,521.50 = 97,585.50 : x
  2. Step 2: Convert to fraction form
    275,105.10/412,521.50 = 97,585.50/x
  3. Step 3: Cross multiply
    275,105.10x = 412,521.50 × 97,585.50
  4. Step 4: Simplify right side
    275,105.10x = 40,256,116,838.25
  5. Step 5: Solve for x
    x = 40,256,116,838.25/275,105.10
  6. Step 6: Final answer
    x = 146,329.95

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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.