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Finding the Fourth Proportional to 215,943, 323,933.93 and 58,167.96

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Solution

The fourth proportional to 215,943, 323,933.93 and 58,167.96 is: 87,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,943 : 323,933.93 = 58,167.96 : x
  2. Step 2: Convert to fraction form
    215,943/323,933.93 = 58,167.96/x
  3. Step 3: Cross multiply
    215,943x = 323,933.93 × 58,167.96
  4. Step 4: Simplify right side
    215,943x = 18,842,575,882.88
  5. Step 5: Solve for x
    x = 18,842,575,882.88/215,943
  6. Step 6: Final answer
    x = 87,257.17

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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.