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Finding the Fourth Proportional to 171,881.60, 257,093.40 and 154,239.80

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Solution

The fourth proportional to 171,881.60, 257,093.40 and 154,239.80 is: 230,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,881.60 : 257,093.40 = 154,239.80 : x
  2. Step 2: Convert to fraction form
    171,881.60/257,093.40 = 154,239.80/x
  3. Step 3: Cross multiply
    171,881.60x = 257,093.40 × 154,239.80
  4. Step 4: Simplify right side
    171,881.60x = 39,654,034,597.32
  5. Step 5: Solve for x
    x = 39,654,034,597.32/171,881.60
  6. Step 6: Final answer
    x = 230,705.52

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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.