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Finding the Fourth Proportional to 109,243, 163,864.50 and 62,463.07

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Solution

The fourth proportional to 109,243, 163,864.50 and 62,463.07 is: 93,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,243 : 163,864.50 = 62,463.07 : x
  2. Step 2: Convert to fraction form
    109,243/163,864.50 = 62,463.07/x
  3. Step 3: Cross multiply
    109,243x = 163,864.50 × 62,463.07
  4. Step 4: Simplify right side
    109,243x = 10,235,479,734.02
  5. Step 5: Solve for x
    x = 10,235,479,734.02/109,243
  6. Step 6: Final answer
    x = 93,694.61

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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.