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Finding the Fourth Proportional to 168,927.60, 253,391.40 and 153,375.60

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Solution

The fourth proportional to 168,927.60, 253,391.40 and 153,375.60 is: 230,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,927.60 : 253,391.40 = 153,375.60 : x
  2. Step 2: Convert to fraction form
    168,927.60/253,391.40 = 153,375.60/x
  3. Step 3: Cross multiply
    168,927.60x = 253,391.40 × 153,375.60
  4. Step 4: Simplify right side
    168,927.60x = 38,864,058,009.84
  5. Step 5: Solve for x
    x = 38,864,058,009.84/168,927.60
  6. Step 6: Final answer
    x = 230,063.40

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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.