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Finding the Fourth Proportional to 267,848.96, 401,797.08 and 99,371.12

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Solution

The fourth proportional to 267,848.96, 401,797.08 and 99,371.12 is: 149,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,848.96 : 401,797.08 = 99,371.12 : x
  2. Step 2: Convert to fraction form
    267,848.96/401,797.08 = 99,371.12/x
  3. Step 3: Cross multiply
    267,848.96x = 401,797.08 × 99,371.12
  4. Step 4: Simplify right side
    267,848.96x = 39,927,023,843.34
  5. Step 5: Solve for x
    x = 39,927,023,843.34/267,848.96
  6. Step 6: Final answer
    x = 149,065.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.