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Finding the Fourth Proportional to 113,437.74, 170,181.21 and 34,549.90

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Solution

The fourth proportional to 113,437.74, 170,181.21 and 34,549.90 is: 51,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,437.74 : 170,181.21 = 34,549.90 : x
  2. Step 2: Convert to fraction form
    113,437.74/170,181.21 = 34,549.90/x
  3. Step 3: Cross multiply
    113,437.74x = 170,181.21 × 34,549.90
  4. Step 4: Simplify right side
    113,437.74x = 5,879,743,787.38
  5. Step 5: Solve for x
    x = 5,879,743,787.38/113,437.74
  6. Step 6: Final answer
    x = 51,832.34

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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.