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Finding the Fourth Proportional to 267,750.54, 401,428.98 and 127,607.58

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Solution

The fourth proportional to 267,750.54, 401,428.98 and 127,607.58 is: 191,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,750.54 : 401,428.98 = 127,607.58 : x
  2. Step 2: Convert to fraction form
    267,750.54/401,428.98 = 127,607.58/x
  3. Step 3: Cross multiply
    267,750.54x = 401,428.98 × 127,607.58
  4. Step 4: Simplify right side
    267,750.54x = 51,225,380,679.67
  5. Step 5: Solve for x
    x = 51,225,380,679.67/267,750.54
  6. Step 6: Final answer
    x = 191,317.56

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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.