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Finding the Fourth Proportional to 163,683.01, 225,806.29 and 106,318.27

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Solution

The fourth proportional to 163,683.01, 225,806.29 and 106,318.27 is: 146,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,683.01 : 225,806.29 = 106,318.27 : x
  2. Step 2: Convert to fraction form
    163,683.01/225,806.29 = 106,318.27/x
  3. Step 3: Cross multiply
    163,683.01x = 225,806.29 × 106,318.27
  4. Step 4: Simplify right side
    163,683.01x = 24,007,334,107.92
  5. Step 5: Solve for x
    x = 24,007,334,107.92/163,683.01
  6. Step 6: Final answer
    x = 146,669.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.