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Finding the Fourth Proportional to 253,844.40, 350,268.66 and 140,666.88

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Solution

The fourth proportional to 253,844.40, 350,268.66 and 140,666.88 is: 194,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,844.40 : 350,268.66 = 140,666.88 : x
  2. Step 2: Convert to fraction form
    253,844.40/350,268.66 = 140,666.88/x
  3. Step 3: Cross multiply
    253,844.40x = 350,268.66 × 140,666.88
  4. Step 4: Simplify right side
    253,844.40x = 49,271,199,563.98
  5. Step 5: Solve for x
    x = 49,271,199,563.98/253,844.40
  6. Step 6: Final answer
    x = 194,100.01

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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.