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Finding the Fourth Proportional to 347,874.45, 521,886.14 and 107,983.08

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Solution

The fourth proportional to 347,874.45, 521,886.14 and 107,983.08 is: 161,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,874.45 : 521,886.14 = 107,983.08 : x
  2. Step 2: Convert to fraction form
    347,874.45/521,886.14 = 107,983.08/x
  3. Step 3: Cross multiply
    347,874.45x = 521,886.14 × 107,983.08
  4. Step 4: Simplify right side
    347,874.45x = 56,354,872,806.51
  5. Step 5: Solve for x
    x = 56,354,872,806.51/347,874.45
  6. Step 6: Final answer
    x = 161,997.73

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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.