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Finding the Fourth Proportional to 169,669.20, 254,503.80 and 58,861.20

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Solution

The fourth proportional to 169,669.20, 254,503.80 and 58,861.20 is: 88,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,669.20 : 254,503.80 = 58,861.20 : x
  2. Step 2: Convert to fraction form
    169,669.20/254,503.80 = 58,861.20/x
  3. Step 3: Cross multiply
    169,669.20x = 254,503.80 × 58,861.20
  4. Step 4: Simplify right side
    169,669.20x = 14,980,399,072.56
  5. Step 5: Solve for x
    x = 14,980,399,072.56/169,669.20
  6. Step 6: Final answer
    x = 88,291.80

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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.