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Finding the Fourth Proportional to 238,875.21, 357,796.11 and 112,325.88

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Solution

The fourth proportional to 238,875.21, 357,796.11 and 112,325.88 is: 168,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,875.21 : 357,796.11 = 112,325.88 : x
  2. Step 2: Convert to fraction form
    238,875.21/357,796.11 = 112,325.88/x
  3. Step 3: Cross multiply
    238,875.21x = 357,796.11 × 112,325.88
  4. Step 4: Simplify right side
    238,875.21x = 40,189,762,916.33
  5. Step 5: Solve for x
    x = 40,189,762,916.33/238,875.21
  6. Step 6: Final answer
    x = 168,245.85

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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.