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Finding the Fourth Proportional to 157,467, 217,693.26 and 150,857.40

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Solution

The fourth proportional to 157,467, 217,693.26 and 150,857.40 is: 208,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,467 : 217,693.26 = 150,857.40 : x
  2. Step 2: Convert to fraction form
    157,467/217,693.26 = 150,857.40/x
  3. Step 3: Cross multiply
    157,467x = 217,693.26 × 150,857.40
  4. Step 4: Simplify right side
    157,467x = 32,840,639,201.12
  5. Step 5: Solve for x
    x = 32,840,639,201.12/157,467
  6. Step 6: Final answer
    x = 208,555.69

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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.