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Finding the Fourth Proportional to 216,233.40, 324,090.90 and 110,998.20

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Solution

The fourth proportional to 216,233.40, 324,090.90 and 110,998.20 is: 166,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,233.40 : 324,090.90 = 110,998.20 : x
  2. Step 2: Convert to fraction form
    216,233.40/324,090.90 = 110,998.20/x
  3. Step 3: Cross multiply
    216,233.40x = 324,090.90 × 110,998.20
  4. Step 4: Simplify right side
    216,233.40x = 35,973,506,536.38
  5. Step 5: Solve for x
    x = 35,973,506,536.38/216,233.40
  6. Step 6: Final answer
    x = 166,364.25

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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.