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Finding the Fourth Proportional to 267,009.50, 368,474.20 and 147,777.50

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Solution

The fourth proportional to 267,009.50, 368,474.20 and 147,777.50 is: 203,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,009.50 : 368,474.20 = 147,777.50 : x
  2. Step 2: Convert to fraction form
    267,009.50/368,474.20 = 147,777.50/x
  3. Step 3: Cross multiply
    267,009.50x = 368,474.20 × 147,777.50
  4. Step 4: Simplify right side
    267,009.50x = 54,452,196,090.50
  5. Step 5: Solve for x
    x = 54,452,196,090.50/267,009.50
  6. Step 6: Final answer
    x = 203,933.55

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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.