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Finding the Fourth Proportional to 216,087.40, 323,871.90 and 110,852.20

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Solution

The fourth proportional to 216,087.40, 323,871.90 and 110,852.20 is: 166,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,087.40 : 323,871.90 = 110,852.20 : x
  2. Step 2: Convert to fraction form
    216,087.40/323,871.90 = 110,852.20/x
  3. Step 3: Cross multiply
    216,087.40x = 323,871.90 × 110,852.20
  4. Step 4: Simplify right side
    216,087.40x = 35,901,912,633.18
  5. Step 5: Solve for x
    x = 35,901,912,633.18/216,087.40
  6. Step 6: Final answer
    x = 166,145.33

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1.5x scale

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.