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Finding the Fourth Proportional to 239,795.44, 359,900.56 and 92,155.12

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Solution

The fourth proportional to 239,795.44, 359,900.56 and 92,155.12 is: 138,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,795.44 : 359,900.56 = 92,155.12 : x
  2. Step 2: Convert to fraction form
    239,795.44/359,900.56 = 92,155.12/x
  3. Step 3: Cross multiply
    239,795.44x = 359,900.56 × 92,155.12
  4. Step 4: Simplify right side
    239,795.44x = 33,166,679,294.87
  5. Step 5: Solve for x
    x = 33,166,679,294.87/239,795.44
  6. Step 6: Final answer
    x = 138,312.39

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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.