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Finding the Fourth Proportional to 347,893.68, 521,832.28 and 111,238.42

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Solution

The fourth proportional to 347,893.68, 521,832.28 and 111,238.42 is: 166,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,893.68 : 521,832.28 = 111,238.42 : x
  2. Step 2: Convert to fraction form
    347,893.68/521,832.28 = 111,238.42/x
  3. Step 3: Cross multiply
    347,893.68x = 521,832.28 × 111,238.42
  4. Step 4: Simplify right side
    347,893.68x = 58,047,798,332.20
  5. Step 5: Solve for x
    x = 58,047,798,332.20/347,893.68
  6. Step 6: Final answer
    x = 166,855.00

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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.