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Finding the Fourth Proportional to 163,686.01, 225,810.42 and 106,321.27

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Solution

The fourth proportional to 163,686.01, 225,810.42 and 106,321.27 is: 146,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,686.01 : 225,810.42 = 106,321.27 : x
  2. Step 2: Convert to fraction form
    163,686.01/225,810.42 = 106,321.27/x
  3. Step 3: Cross multiply
    163,686.01x = 225,810.42 × 106,321.27
  4. Step 4: Simplify right side
    163,686.01x = 24,008,450,633.63
  5. Step 5: Solve for x
    x = 24,008,450,633.63/163,686.01
  6. Step 6: Final answer
    x = 146,673.81

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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.