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Finding the Fourth Proportional to 203,852.01, 281,319.59 and 113,216.47

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Solution

The fourth proportional to 203,852.01, 281,319.59 and 113,216.47 is: 156,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,852.01 : 281,319.59 = 113,216.47 : x
  2. Step 2: Convert to fraction form
    203,852.01/281,319.59 = 113,216.47/x
  3. Step 3: Cross multiply
    203,852.01x = 281,319.59 × 113,216.47
  4. Step 4: Simplify right side
    203,852.01x = 31,850,008,948.97
  5. Step 5: Solve for x
    x = 31,850,008,948.97/203,852.01
  6. Step 6: Final answer
    x = 156,240.84

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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.