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Finding the Fourth Proportional to 185,364.78, 255,611.43 and 158,595.90

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Solution

The fourth proportional to 185,364.78, 255,611.43 and 158,595.90 is: 218,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,364.78 : 255,611.43 = 158,595.90 : x
  2. Step 2: Convert to fraction form
    185,364.78/255,611.43 = 158,595.90/x
  3. Step 3: Cross multiply
    185,364.78x = 255,611.43 × 158,595.90
  4. Step 4: Simplify right side
    185,364.78x = 40,538,924,791.14
  5. Step 5: Solve for x
    x = 40,538,924,791.14/185,364.78
  6. Step 6: Final answer
    x = 218,698.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.