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Finding the Fourth Proportional to 169,881.68, 254,861.88 and 57,555.92

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Solution

The fourth proportional to 169,881.68, 254,861.88 and 57,555.92 is: 86,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,881.68 : 254,861.88 = 57,555.92 : x
  2. Step 2: Convert to fraction form
    169,881.68/254,861.88 = 57,555.92/x
  3. Step 3: Cross multiply
    169,881.68x = 254,861.88 × 57,555.92
  4. Step 4: Simplify right side
    169,881.68x = 14,668,809,976.33
  5. Step 5: Solve for x
    x = 14,668,809,976.33/169,881.68
  6. Step 6: Final answer
    x = 86,347.22

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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.