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Finding the Fourth Proportional to 201,996.04, 279,258.42 and 151,607.56

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Solution

The fourth proportional to 201,996.04, 279,258.42 and 151,607.56 is: 209,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,996.04 : 279,258.42 = 151,607.56 : x
  2. Step 2: Convert to fraction form
    201,996.04/279,258.42 = 151,607.56/x
  3. Step 3: Cross multiply
    201,996.04x = 279,258.42 × 151,607.56
  4. Step 4: Simplify right side
    201,996.04x = 42,337,687,665.66
  5. Step 5: Solve for x
    x = 42,337,687,665.66/201,996.04
  6. Step 6: Final answer
    x = 209,596.62

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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.