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Finding the Fourth Proportional to 273,412.28, 377,157.30 and 160,213.16

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Solution

The fourth proportional to 273,412.28, 377,157.30 and 160,213.16 is: 221,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,412.28 : 377,157.30 = 160,213.16 : x
  2. Step 2: Convert to fraction form
    273,412.28/377,157.30 = 160,213.16/x
  3. Step 3: Cross multiply
    273,412.28x = 377,157.30 × 160,213.16
  4. Step 4: Simplify right side
    273,412.28x = 60,425,560,964.28
  5. Step 5: Solve for x
    x = 60,425,560,964.28/273,412.28
  6. Step 6: Final answer
    x = 221,005.30

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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.