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Finding the Fourth Proportional to 347,432.88, 521,143.84 and 110,773.96

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Solution

The fourth proportional to 347,432.88, 521,143.84 and 110,773.96 is: 166,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,432.88 : 521,143.84 = 110,773.96 : x
  2. Step 2: Convert to fraction form
    347,432.88/521,143.84 = 110,773.96/x
  3. Step 3: Cross multiply
    347,432.88x = 521,143.84 × 110,773.96
  4. Step 4: Simplify right side
    347,432.88x = 57,729,166,886.41
  5. Step 5: Solve for x
    x = 57,729,166,886.41/347,432.88
  6. Step 6: Final answer
    x = 166,159.19

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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.