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Finding the Fourth Proportional to 201,998.04, 279,261.18 and 151,609.56

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Solution

The fourth proportional to 201,998.04, 279,261.18 and 151,609.56 is: 209,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,998.04 : 279,261.18 = 151,609.56 : x
  2. Step 2: Convert to fraction form
    201,998.04/279,261.18 = 151,609.56/x
  3. Step 3: Cross multiply
    201,998.04x = 279,261.18 × 151,609.56
  4. Step 4: Simplify right side
    201,998.04x = 42,338,664,624.88
  5. Step 5: Solve for x
    x = 42,338,664,624.88/201,998.04
  6. Step 6: Final answer
    x = 209,599.38

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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.