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Finding the Fourth Proportional to 170,748.96, 256,153.80 and 58,441.68

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Solution

The fourth proportional to 170,748.96, 256,153.80 and 58,441.68 is: 87,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,748.96 : 256,153.80 = 58,441.68 : x
  2. Step 2: Convert to fraction form
    170,748.96/256,153.80 = 58,441.68/x
  3. Step 3: Cross multiply
    170,748.96x = 256,153.80 × 58,441.68
  4. Step 4: Simplify right side
    170,748.96x = 14,970,058,410.38
  5. Step 5: Solve for x
    x = 14,970,058,410.38/170,748.96
  6. Step 6: Final answer
    x = 87,672.91

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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.