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Finding the Fourth Proportional to 92,662.45, 138,834.83 and 62,210.54

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Solution

The fourth proportional to 92,662.45, 138,834.83 and 62,210.54 is: 93,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,662.45 : 138,834.83 = 62,210.54 : x
  2. Step 2: Convert to fraction form
    92,662.45/138,834.83 = 62,210.54/x
  3. Step 3: Cross multiply
    92,662.45x = 138,834.83 × 62,210.54
  4. Step 4: Simplify right side
    92,662.45x = 8,636,990,247.72
  5. Step 5: Solve for x
    x = 8,636,990,247.72/92,662.45
  6. Step 6: Final answer
    x = 93,209.17

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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.