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Finding the Fourth Proportional to 347,881.40, 521,813.90 and 111,226.14

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Solution

The fourth proportional to 347,881.40, 521,813.90 and 111,226.14 is: 166,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,881.40 : 521,813.90 = 111,226.14 : x
  2. Step 2: Convert to fraction form
    347,881.40/521,813.90 = 111,226.14/x
  3. Step 3: Cross multiply
    347,881.40x = 521,813.90 × 111,226.14
  4. Step 4: Simplify right side
    347,881.40x = 58,039,345,895.35
  5. Step 5: Solve for x
    x = 58,039,345,895.35/347,881.40
  6. Step 6: Final answer
    x = 166,836.59

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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.