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Finding the Fourth Proportional to 203,888.64, 281,369.60 and 114,462.72

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Solution

The fourth proportional to 203,888.64, 281,369.60 and 114,462.72 is: 157,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,888.64 : 281,369.60 = 114,462.72 : x
  2. Step 2: Convert to fraction form
    203,888.64/281,369.60 = 114,462.72/x
  3. Step 3: Cross multiply
    203,888.64x = 281,369.60 × 114,462.72
  4. Step 4: Simplify right side
    203,888.64x = 32,206,329,741.31
  5. Step 5: Solve for x
    x = 32,206,329,741.31/203,888.64
  6. Step 6: Final answer
    x = 157,960.39

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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.