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Finding the Fourth Proportional to 201,997.54, 279,260.49 and 151,609.06

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Solution

The fourth proportional to 201,997.54, 279,260.49 and 151,609.06 is: 209,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,997.54 : 279,260.49 = 151,609.06 : x
  2. Step 2: Convert to fraction form
    201,997.54/279,260.49 = 151,609.06/x
  3. Step 3: Cross multiply
    201,997.54x = 279,260.49 × 151,609.06
  4. Step 4: Simplify right side
    201,997.54x = 42,338,420,384.04
  5. Step 5: Solve for x
    x = 42,338,420,384.04/201,997.54
  6. Step 6: Final answer
    x = 209,598.69

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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.