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Finding the Fourth Proportional to 154,514.64, 212,410.32 and 132,925.44

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Solution

The fourth proportional to 154,514.64, 212,410.32 and 132,925.44 is: 182,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,514.64 : 212,410.32 = 132,925.44 : x
  2. Step 2: Convert to fraction form
    154,514.64/212,410.32 = 132,925.44/x
  3. Step 3: Cross multiply
    154,514.64x = 212,410.32 × 132,925.44
  4. Step 4: Simplify right side
    154,514.64x = 28,234,735,246.54
  5. Step 5: Solve for x
    x = 28,234,735,246.54/154,514.64
  6. Step 6: Final answer
    x = 182,731.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.