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Finding the Fourth Proportional to 201,997.04, 279,259.80 and 151,608.56

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Solution

The fourth proportional to 201,997.04, 279,259.80 and 151,608.56 is: 209,598.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,997.04 : 279,259.80 = 151,608.56 : x
  2. Step 2: Convert to fraction form
    201,997.04/279,259.80 = 151,608.56/x
  3. Step 3: Cross multiply
    201,997.04x = 279,259.80 × 151,608.56
  4. Step 4: Simplify right side
    201,997.04x = 42,338,176,143.89
  5. Step 5: Solve for x
    x = 42,338,176,143.89/201,997.04
  6. Step 6: Final answer
    x = 209,598.00

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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.