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Finding the Fourth Proportional to 185,841.30, 256,461.30 and 100,958.44

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Solution

The fourth proportional to 185,841.30, 256,461.30 and 100,958.44 is: 139,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,841.30 : 256,461.30 = 100,958.44 : x
  2. Step 2: Convert to fraction form
    185,841.30/256,461.30 = 100,958.44/x
  3. Step 3: Cross multiply
    185,841.30x = 256,461.30 × 100,958.44
  4. Step 4: Simplify right side
    185,841.30x = 25,891,932,768.37
  5. Step 5: Solve for x
    x = 25,891,932,768.37/185,841.30
  6. Step 6: Final answer
    x = 139,322.81

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1.5x scale

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.